Elcometer 236 English · Elcometer are world leaders in the design, manufacture and supply of...
48
English Elcometer 236 DC Holiday Detector Operating Instructions
Transcript of Elcometer 236 English · Elcometer are world leaders in the design, manufacture and supply of...
English
Elco
met
er 2
36
DC
Hol
iday
Det
ecto
r
Ope
ratin
g In
stru
ctio
ns
EnglishR
Safe
ty W
arni
ngTh
e de
tect
or g
ener
ates
a h
igh
volta
ge a
t the
pro
be ti
p up
to 3
0,00
0 vo
lts. T
he e
quip
men
t sho
uld
be u
sed
with
extre
me
care
, fol
low
ing
the
inst
ruct
ions
giv
en in
this
Man
ual.
The
dete
ctor
is p
ower
ed b
y a
rech
arge
able
bat
tery
and
the
inst
rum
ent m
ust n
ot b
e us
ed fo
r hig
h vo
ltage
test
ing
whi
le c
onne
cted
to th
e m
ains
ele
ctric
ity s
uppl
y fo
r bat
tery
cha
rgin
g.Fo
r saf
ety
and
relia
bilit
y th
e de
tect
or is
sup
plie
d w
ith th
e ba
ttery
dis
char
ged.
Rec
harg
e th
e ba
ttery
bef
ore
usin
g fo
rth
e fir
st ti
me
- see
“Cha
rgin
g th
e ba
ttery
” on
page
35.
The
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor m
eets
the
emc
dire
ctiv
e 89
/336
/EEC
, am
ende
d 92
/31/
EEC
and
93/
68/E
EC.
How
ever
, due
to it
s m
etho
d of
ope
ratio
n, th
e D
etec
tor w
ill ge
nera
te b
road
ban
d R
F em
issi
ons
whe
n a
spar
k is
pro
duce
dat
the
prob
e, i.
e., w
hen
a de
fect
in th
e co
atin
g is
loca
ted.
The
se e
mis
sion
s m
ay in
terfe
re w
ith th
e op
erat
ion
of s
ensi
tive
elec
troni
c ap
para
tus
in th
e vi
cini
ty. I
n th
e ex
trem
e ca
se o
f a c
ontin
uous
spa
rk o
f len
gth
5m
m, t
he m
agni
tude
of e
mis
sion
s at
adi
stan
ce o
f 3m
was
foun
d to
be
appr
oxim
atel
y 60
dBμV
/m fr
om 3
0M
Hz
to 1
000
MH
z.It
is th
eref
ore
reco
mm
ende
d th
at th
is e
quip
men
t is
not o
pera
ted
with
in 3
0m
of k
now
n se
nsiti
ve e
lect
roni
c eq
uipm
ent a
nd th
atth
e U
ser d
oes
not d
elib
erat
ely
gene
rate
con
tinuo
us s
park
s.
is a
regi
ster
ed tr
adem
ark
of E
lcom
eter
Lim
ited.
All o
ther
trad
emar
ks a
ckno
wle
dged
.©
Cop
yrig
ht E
lcom
eter
Lim
ited.
200
9.
All r
ight
s re
serv
ed. N
o pa
rt of
this
Doc
umen
t may
be
repr
oduc
ed, t
rans
mitt
ed, t
rans
crib
ed, s
tore
d (in
a r
etrie
val s
yste
m o
rot
herw
ise)
or t
rans
late
d in
to a
ny la
ngua
ge, i
n an
y fo
rm o
r by
any
mea
ns (e
lect
roni
c, m
echa
nica
l, m
agne
tic, o
ptic
al, m
anua
l or
othe
rwis
e) w
ithou
t the
prio
r writ
ten
perm
issi
on o
f Elc
omet
erLi
mite
d.
A co
py o
f thi
s In
stru
ctio
n M
anua
l is
avai
labl
e fo
r dow
nloa
d on
our
Web
site
via
ww
w.e
lcom
eter
.com
/dow
nloa
ds.
Doc
No.
TM
A–0
214
Issu
e 04
Text
with
Cov
er N
o. 4
885
R 1
CO
NTE
NTS
Sect
ion
Page
1A
bout
this
hol
iday
det
ecto
r . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
41.
1W
hat t
he b
ox c
onta
ins.
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 4
2W
orki
ng s
afel
y. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . 5
3H
olid
ay d
etec
tion
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 7
3.1
The
need
for h
olid
ay d
etec
tion
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 7
3.2
How
you
r det
ecto
r wor
ks. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 7
4St
anda
rds
and
test
met
hods
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 8
5G
ettin
g st
arte
d. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 11
5.1
The
cont
rol p
anel
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 1
15.
2C
onne
ctio
ns a
nd te
rmin
als
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
12
5.3
The
prob
e ha
ndle
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 1
35.
4Th
e ca
rry c
ase
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
14
5.5
Qui
ck s
tart
guid
e. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
15
6U
sing
the
Hol
iday
Det
ecto
r . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
166.
1Te
st b
atte
ries
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 1
66.
2C
onne
ct le
ads
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 16
6.3
Sele
ct p
robe
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
166.
4C
onne
ct h
igh
volta
ge re
turn
to s
ubst
rate
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 1
76.
5C
heck
ope
ratio
n of
hig
h vo
ltage
retu
rn c
onne
ctio
n. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 17
R
26.6
Set t
est v
olta
ge. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 1
86.
7Se
t ala
rm s
ensi
tivity
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
186.
8C
heck
for c
orre
ct o
pera
tion.
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
186.
9In
spec
t coa
ting
for f
law
s . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
18
6.10
Mov
ing
wor
k po
sitio
n an
d fin
ishi
ng w
ork
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 19
7St
atic
ele
ctric
ity. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
19
8U
sing
the
curr
ent m
onito
ring
func
tion
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 21
8.1
Brea
kdow
n vo
ltage
ope
ratio
n ou
tline
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 2
19
Setti
ng th
e te
st v
olta
ge a
nd s
ensi
tivity
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 22
9.1
Die
lect
ric s
treng
th. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
229.
2Es
tabl
ishi
ng th
e Vo
ltage
Lim
its. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 2
49.
3Se
tting
the
test
vol
tage
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
25
9.4
Setti
ng a
larm
sen
sitiv
ity .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 25
10Pr
obe
sele
ctio
n. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
28
11Tr
oubl
esho
otin
g . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . 3
011
.1LC
D d
ispl
ay re
late
d pr
oble
ms
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
30
11.2
Alar
m re
late
d pr
oble
ms
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . 3
111
.3N
o sp
ark
at p
robe
tip
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 31
11.4
Spec
ial c
onsi
dera
tions
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
32
12M
aint
enan
ce .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
3412
.1Ba
ttery
mai
nten
ance
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 3
412
.2R
outin
e ch
ecks
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
36
R 3
13St
orag
e. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 36
14Sp
ares
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
37
14.1
Rig
ht a
ngle
pro
bes.
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. .
3714
.2C
ircul
ar b
rush
pro
bes.
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
38
14.3
Rol
ling
sprin
g pr
obes
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. 4
014
.4Ex
tens
ion
piec
es .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
43
14.5
Oth
er a
cces
sorie
s .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . 4
415
Tech
nica
l spe
cific
atio
n. .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
4516
Rel
ated
equ
ipm
ent
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . 4
6
R
4
hank
you
for y
our p
urch
ase
of th
is E
lcom
eter
236
DC
Hol
iday
Det
ecto
r. W
elco
me
to E
lcom
eter
.El
com
eter
are
wor
ld le
ader
s in
the
desi
gn, m
anuf
actu
re a
nd s
uppl
y of
insp
ectio
n eq
uipm
ent f
or c
oatin
gsan
d co
ncre
te. O
ur p
rodu
cts
cove
r all
aspe
cts
of c
oatin
g in
spec
tion,
from
dev
elop
men
t thr
ough
app
licat
ion
to p
ost a
pplic
atio
n in
spec
tion.
The
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor i
s a
wor
ld b
eatin
g pr
oduc
t. W
ith th
e pu
rcha
se o
f thi
s pr
oduc
t you
now
hav
e ac
cess
to th
e w
orld
wid
e se
rvic
e an
d su
ppor
t net
wor
k of
Elc
omet
er. F
or m
ore
info
rmat
ion
visi
t our
web
site
at w
ww.
elco
met
er.c
om
1 A
BO
UT
THIS
HO
LID
AY
DET
ECTO
R
Your
Elc
omet
er 2
36 D
C H
olid
ay D
etec
tor l
ocat
es a
ll fla
ws
in in
sula
ting
coat
ings
on
cond
uctiv
e su
bstra
tes.
The
Hol
iday
Det
ecto
r can
be
used
to te
st c
oatin
gs u
p to
7m
m (2
75 m
ils) t
hick
and
is id
eal f
or in
spec
ting
pipe
lines
and
oth
er p
rote
ctiv
e co
atin
gs. C
oatin
gs o
n co
ncre
te c
an a
lso
be te
sted
usi
ng th
is m
etho
d if
the
conc
rete
con
tain
s su
ffici
ent m
oist
ure
to c
ondu
ct th
e cu
rrent
that
flow
s w
hen
a fla
w is
det
ecte
d.To
ens
ure
safe
wor
king
and
to m
axim
ise
the
bene
fits
of th
is H
olid
ay D
etec
tor p
leas
e ta
ke s
ome
time
to r
ead
thes
e O
pera
ting
Inst
ruct
ions
. D
o no
t he
sita
te t
o co
ntac
t El
com
eter
or
your
Elc
omet
ersu
pplie
r if y
ou h
ave
any
ques
tions
.
1.1
WH
AT
THE
BO
X C
ON
TAIN
S•
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor
•Pr
obe
hand
le a
nd le
ad•
Band
bru
sh p
robe
•2
m (7
9”) a
nd 1
0m
(394
”) si
gnal
retu
rn/e
arth
lead
s•
Batte
ry c
harg
er•
Ope
ratin
g in
stru
ctio
ns a
nd C
arry
ing
Cas
e
T
R 5
2 W
OR
KIN
G S
AFE
LY
Due
to th
e m
etho
d of
test
ing
for c
oatin
g fla
ws,
this
equ
ipm
ent o
utpu
ts a
ver
y hi
gh v
olta
ge o
f up
to 3
0kV
, (30
000
volts
) or 1
5kV
(15
000
volts
), on
the
high
vol
tage
pro
be.
If th
e us
er m
akes
con
tact
with
the
pro
be,
it is
pos
sibl
e to
exp
erie
nce
a m
ild e
lect
ric s
hock
.H
owev
er, d
ue to
the
curr
ent b
eing
ver
y lo
w, t
his
is n
ot n
orm
ally
dan
gero
us.
In a
dditi
on, a
n el
ectri
cal s
park
indi
cate
s de
tect
ion
of a
coa
ting
flaw
, so
that
the
met
hod
is u
nsui
tabl
e fo
r use
in c
erta
in s
ituat
ions
and
env
ironm
ents
, e.g
. an
expl
osiv
e at
mos
pher
e.Th
eref
ore,
in o
rder
to m
inim
ise
inju
ry a
nd d
amag
e, th
e fo
llow
ing
guid
ance
sho
uld
alw
ays
be o
bser
ved:
DO
NO
T us
e th
e eq
uipm
ent i
n an
y co
mbu
stib
le, f
lam
mab
le o
r oth
er a
tmos
pher
e w
here
an
arc
or s
park
may
resu
lt in
an
expl
osio
n.D
O N
OT
carry
out
test
s cl
ose
to m
ovin
g m
achi
nery
.D
O N
OT
use
in a
pre
cario
us,
wob
bly
or e
leva
ted
situ
atio
n fro
m w
hich
a f
all m
ay r
esul
t, un
less
asu
itabl
e sa
fety
har
ness
is u
sed.
DO
NO
T us
e in
rain
or a
dam
p at
mos
pher
e.D
O N
OT
use
the
equi
pmen
t if y
ou h
ave
a pa
cem
aker
or h
eart
cond
ition
.D
O N
OT
clea
na the
inst
rum
ent o
r ca
bles
with
any
wat
er b
ased
or
solv
ent b
ased
cle
anin
g flu
ids;
this
may
wea
ken
the
insu
latin
g m
ater
ials
and
lead
to th
e U
ser b
eing
exp
osed
to h
igh
volta
ges.
DO
NO
T us
e th
e H
olid
ay D
etec
tor
whi
le t
he c
harg
er is
con
nect
ed t
o th
e un
it -
see
“Cha
rgin
g th
eba
ttery
” on
page
35.
a.C
lean
ing
of t
he in
stru
men
t to
rem
ove
over
spra
y an
d sp
ots
of c
oatin
gs is
a S
ervi
ce r
equi
rem
ent.
Plea
se c
onta
ctEl
com
eter
or y
our l
ocal
Elc
omet
er S
uppl
ier.
R
6
DO
read
thes
e in
stru
ctio
ns c
aref
ully
bef
ore
com
men
cing
to u
se th
e eq
uipm
ent.
DO
cha
rge
the
batte
ry b
efor
e th
e fir
st u
se o
f the
equ
ipm
ent.
DO
con
sult
the
plan
t or s
afet
y of
ficer
bef
ore
carry
ing
out t
he te
st p
roce
dure
.D
O w
ear r
ubbe
r glo
ves.
DO
und
erta
ke te
stin
g w
ell c
lear
of o
ther
per
sonn
el.
DO
wor
k w
ith a
n as
sist
ant,
to k
eep
the
test
are
a cl
ear a
nd to
hel
p w
ith th
e te
stin
g pr
oced
ure.
DO
che
ck th
at th
ere
are
no s
olve
nts
or o
ther
igni
tabl
e m
ater
ials
from
the
coat
ing
activ
ities
left
in th
ete
st a
rea,
par
ticul
arly
in c
onfin
ed a
reas
suc
h as
tank
s.D
O s
witc
h th
e de
tect
or o
ff an
d di
scon
nect
the
lead
s w
hen
the
wor
k is
fini
shed
and
bef
ore
leav
ing
itun
atte
nded
, e.g
. whe
n ch
argi
ng th
e in
tern
al re
char
geab
le b
atte
ry.
DO
ens
ure
that
the
high
vol
tage
retu
rn le
ad is
con
nect
ed to
the
cond
uctin
g su
bstra
te p
rior t
o sw
itchi
ngon
the
dete
ctor
.D
O o
nly
use
on c
oatin
gs th
at a
re c
ured
, thi
ckne
ss te
sted
and
vis
ually
insp
ecte
d an
d ac
cept
ed.
DO
onl
y us
e on
coa
ting
thic
knes
sb of a
t lea
st 2
00μm
(0.
008"
). U
se th
e 23
6 w
ith c
are
for
thic
knes
sbe
twee
n 20
0μm
and
500
μm (0
.008
" to
0.02
0").
DO
be
awar
e of
the
poss
ibilit
y of
sta
tic b
uild
-up
on th
e w
ork
surfa
ce c
ausi
ng s
tatic
sho
ck. T
o re
duce
this
ris
k, w
ear
rubb
er g
love
s an
d ta
ke s
peci
al c
are
whe
n le
avin
g co
nfin
ed a
reas
suc
h as
pip
es a
ndta
nks.
DO
bon
d th
e w
ork
piec
e to
a g
roun
d po
tent
ial t
o en
sure
the
build
up
of s
tatic
cha
rge
does
not
take
plac
e - s
ee p
age
19.
b.Fo
r thi
nner
coa
tings
, use
the
wet
spo
nge
met
hod,
e.g
. Elc
omet
er m
odel
270
.
R 7
3 H
OLI
DA
Y D
ETEC
TIO
N
3.1
THE
NEE
D F
OR
HO
LID
AY
DET
ECTI
ON
Prot
ectiv
e co
atin
g fa
ilure
can
res
ult
in c
orro
sion
, or
oth
er d
eter
iora
tion,
of
the
unde
rlyin
g m
ater
ial
orsu
bstra
te. P
ossi
ble
prob
lem
s in
clud
e th
e fo
rmat
ion
of c
orro
sion
pro
duct
suc
h as
rust
or p
its a
nd c
hem
ical
atta
ck. T
he re
sulti
ng re
pairs
of t
he c
oatin
g an
d th
e in
abilit
y to
use
the
affe
cted
equ
ipm
ent a
nd p
lant
can
be
very
exp
ensi
ve.
Ofte
n, fa
ilure
occ
urs
due
to th
e pr
esen
ce o
f fla
ws
in th
e fin
ishe
d co
atin
g. T
ypic
al fl
aws
are
pinh
oles
(a v
ery
narro
w h
ole
runn
ing
from
the
coat
ing
surfa
ce to
the
subs
trate
), ho
liday
s (s
mal
l unc
oate
d ar
eas)
, inc
lusi
ons
(obj
ects
trap
ped
in th
e co
atin
g, e
.g. g
rit fr
om b
last
cle
anin
g), a
ir bu
bble
s, c
rack
s an
d th
in s
pots
. The
refo
re,
it is
goo
d pr
actic
e to
insp
ect a
coa
ting
for d
efec
ts a
nd fl
aws,
follo
win
g es
tabl
ishe
d gu
idel
ines
or p
roce
dure
s.
3.2
HO
W Y
OU
R D
ETEC
TOR
WO
RK
STh
e de
tect
or g
ener
ates
a h
igh
DC
vol
tage
that
is a
pplie
d to
the
coat
ing
surfa
ce th
roug
h a
prob
e. In
add
ition
,th
e de
tect
or is
con
nect
ed to
the
subs
trate
via
the
high
vol
tage
retu
rn (e
arth
) lea
d. W
hen
the
prob
e is
pas
sed
over
a c
oatin
g fla
w, t
hen
the
elec
trica
l circ
uit i
s co
mpl
eted
and
cur
rent
flow
s fro
m th
e pr
obe
to th
e su
bstra
te.
As a
resu
lt, a
udib
le a
nd v
isua
l ala
rms
are
activ
ated
in th
e de
tect
or a
nd a
spa
rk m
ay b
e pr
oduc
ed a
t the
flaw
.Yo
ur E
lcom
eter
236
DC
Hol
iday
Det
ecto
r will
dete
ct c
oatin
g fla
ws
prov
idin
g th
e co
atin
g is
:•
Non
-con
duct
ing.
•Ap
plie
d to
a c
ondu
ctin
g su
bstra
te (i
nclu
ding
con
cret
e).
•At
leas
t 200
μm (0
.008
") th
ick,
and
pre
fera
bly
over
500
μm (0
.020
"), th
ick.
R
84 ST
AN
DA
RD
S A
ND
TES
T M
ETH
OD
S
The
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor c
an b
e us
ed in
acc
orda
nce
with
the
follo
win
g lis
t of s
tand
ards
and
test
met
hods
:
Tabl
e 1:
Sta
ndar
ds a
nd te
st m
etho
ds
Stan
dard
or
Met
hod
No
Dat
eTi
tleN
otes
ISO
274
619
94Vi
treou
s an
d po
rcel
ain
enam
els
- Ena
mel
led
artic
les
for s
ervi
ce u
nder
hig
hly
corro
sive
co
nditi
ons
- Hig
h vo
ltage
test
Test
vol
tage
abo
ve 2
kV fo
r ena
mel
thic
ker
than
220
μm
ASTM
D 4
787
1988
Con
tinui
ty v
erifi
catio
n of
liqu
id o
r she
et li
ning
s ap
plie
d to
con
cret
eH
igh
volta
ge (a
bove
900
V) te
st. S
et
volta
ge b
elow
die
lect
ric b
reak
dow
n st
reng
th o
f lin
ing.
Mov
e pr
obe
at 0
.3m
/s
(1ft/
s) m
ax.
ASTM
F 4
2319
75PT
FE p
last
ic-li
ned
ferro
us m
etal
pip
e an
d fit
tings
Elec
trost
atic
test
: 10
kV, s
park
at d
efec
t is
caus
e fo
r rej
ectio
nAS
TM G
619
83Ab
rasi
on re
sist
ance
of p
ipel
ine
coat
ings
Poro
sity
test
prio
r to
abra
sion
test
ing.
Tes
t vo
ltage
is c
alcu
late
d as
(mil)
V12
50T
hick
ness
⋅=
R 9
ASTM
G 6
2-B
1987
Hol
iday
det
ectio
n in
pip
elin
e co
atin
gsM
etho
d B.
Thic
knes
s <1
.016
mm
(mm
)Th
ickn
ess
>1.0
14m
m
(mm
)
NAC
E SP
0188
2007
Dis
cont
inui
ty (H
olid
ay) T
estin
g of
Pro
tect
ive
Coa
tings
Low
and
hig
h vo
ltage
equ
ipm
ent a
nd te
sts.
NAC
E R
P027
419
74H
igh
Volta
ge
Elec
trica
l Ins
pect
ion
of P
ipel
ine
Coa
tings
prio
r to
inst
alla
tion
DC
or P
ulse
d te
st v
olta
ge
(mil)
NAC
E R
P049
019
90H
olid
ay D
etec
tion
of F
usio
n-Bo
nded
Epo
xy
Exte
rnal
Pip
elin
e C
oatin
gs o
f 10-
30m
ils
(0.2
5mm
-0.7
6mm
)
DC
in d
ry c
ondi
tions
.
(mil)
. Tra
iling
grou
nd le
ad o
f 9m
allo
wed
if p
ipe
is
conn
ecte
d to
2-3
ft ea
rth s
pike
and
soi
l is
not d
ryBS
134
4-11
1994
Met
hods
of t
estin
g vi
treou
s en
amel
fini
shes
Pa
rt II:
Hig
h vo
ltage
test
for a
rticl
es u
sed
unde
r hig
hly
corro
sive
con
ditio
ns
Sam
e as
ISO
274
6(T
est v
olta
ge a
bove
2kV
for e
nam
el
thic
ker t
han
220μm
)
Tabl
e 1:
Sta
ndar
ds a
nd te
st m
etho
ds
Stan
dard
or
Met
hod
No
Dat
eTi
tleN
otes
V32
94T
hick
ness
⋅=
V78
43T
hick
ness
⋅=
V12
50T
hick
ness
⋅=
V52
5T
hick
ness
⋅=
R
10ANSI
/AW
WA
C21
3-91
1992
Fusi
on-b
onde
d ep
oxy
coat
ing
for t
he in
terio
r an
d ex
terio
r of s
teel
wat
er p
ipes
(mil)
ANSI
/AW
WA
C21
4-89
1990
Tape
coa
ting
syst
ems
for t
he e
xter
ior o
f ste
el
wat
er p
ipes
Min
. Vol
tage
is 6
kV.
Use
NAC
E R
P-02
74AS
389
4.1
1991
Site
test
ing
of p
rote
ctiv
e co
atin
gs. M
etho
d 1:
N
on- c
ondu
ctiv
e co
atin
gs –
Con
tinui
ty te
st –
H
igh
volta
ge (b
rush
) met
hod
Test
ing
coat
ings
> 1
50μm
at v
olta
ges
>500
V
/ fac
tor
JIS
G-3
491
Asph
alt c
oatin
gs o
n w
ater
line
pip
esIn
side
wal
ls 8
-10
kVD
ippe
d C
oatin
gs 6
-7kV
Out
side
wal
ls 1
0-12
kVJI
S G
-349
2C
oal-t
ar e
nam
el c
oatin
gs o
n w
ater
line
pip
esIn
side
wal
ls 8
-10
kVD
ippe
d co
atin
gs 6
-7kV
Out
side
wal
ls 1
0-12
kVW
elde
d ar
eas
as in
side
wal
lsN
ote:
The
abov
e lis
t and
com
men
ts h
ave
been
ext
ract
ed fr
om th
e do
cum
ents
iden
tifie
d an
d ev
ery
effo
rt ha
s be
enm
ade
to e
nsur
e th
e co
nten
t is
cor
rect
. N
o re
spon
sibi
lity
can
be a
ccep
ted,
how
ever
, fo
r th
e ac
cura
cy o
f th
ein
form
atio
n as
thes
e do
cum
ents
are
upd
ated
, cor
rect
ed a
nd a
men
ded
regu
larly
. A c
opy
of th
e re
leva
nt s
tand
ard
or m
etho
d m
ust b
e ob
tain
ed fr
om th
e so
urce
to e
nsur
e th
at it
is th
e cu
rren
t doc
umen
t.
Tabl
e 1:
Sta
ndar
ds a
nd te
st m
etho
ds
Stan
dard
or
Met
hod
No
Dat
eTi
tleN
otes
V52
5T
hick
ness
⋅=
V25
0Th
ickn
ess
(μm
)⋅
=
R 11
5 G
ETTI
NG
STA
RTE
D
5.1
THE
CO
NTR
OL
PAN
ELFi
gure
1. C
ontr
ol P
anel
Lay
out
1.LC
D -
Dis
play
of o
utpu
t vol
tage
2.SE
NSI
TIVI
TY- S
ensi
tivity
con
trol f
or
alar
m3.
ALAR
M -
Visu
al a
larm
(illu
min
ates
whe
n fla
w d
etec
ted)
4.O
N/T
EST
•O
N b
utto
n po
sitio
n•
OFF
cen
tre p
ositi
on•
TEST
top
posi
tion
(hol
d do
wn
to o
pera
te)
5.PR
OBE
VO
LTAG
EVo
ltage
con
trol (
10 tu
rn)
6. B
atte
ry le
vel i
ndic
ator
7.kV
/μA
- Vol
tage
/Cur
rent
Sw
itch
R
125.2
CO
NN
ECTI
ON
S A
ND
TER
MIN
ALS
Figu
re 2
. Sid
e co
nnec
tions
and
term
inal
s la
yout
1.Ex
tern
al b
atte
ry p
ack
conn
ectio
n2.
Batte
ry c
harg
er c
onne
ctio
n3.
Hig
h vo
ltage
retu
rn (e
arth
lead
) ter
min
al4.
Hig
h vo
ltage
pro
be c
onne
ctio
n
1 23
4
R 13
5.3
THE
PRO
BE
HA
ND
LE
Figu
re 3
. Pro
be H
andl
e
Neo
n In
dica
tor
R
145.4
THE
CA
RR
Y C
ASE
The
dete
ctor
can
be
used
in th
e ca
rry c
ase
or re
mov
ed fr
om th
e ca
se fo
r use
as
appr
opria
te. T
he c
arry
cas
eca
n al
so b
e us
ed to
sto
re a
nd p
rote
ct th
e de
tect
or w
hen
it is
bei
ng c
arrie
d to
a jo
b.
The
carry
cas
e ha
s an
inne
r fla
p th
at c
an b
e he
ld o
pen
by m
eans
of a
Vel
cro™
stri
p. T
he p
robe
han
dle
or o
ther
acce
ssor
ies
can
be a
ttach
ed to
the
front
of t
he c
ase
by m
eans
of t
he tw
o Ve
lcro
stri
ps p
rovi
ded.
The
acc
esso
rypo
uch
can
be lo
cked
on
to th
e si
de o
f the
cas
e by
mea
ns o
f the
spe
cial
T ty
pe c
onne
ctor
that
is in
serte
d an
d tw
iste
dth
roug
h 90
° to
lock
it in
pla
ce.
The
acce
ssor
y po
uch
can
be u
sed
to c
arry
the
batte
ry c
harg
er o
r the
ext
ra re
char
geab
le b
atte
ry a
s ap
prop
riate
. In
use,
the
lead
from
the
spar
e ba
ttery
to th
e de
tect
or is
pas
sed
thro
ugh
the
loop
s in
side
the
case
out
er fl
ap to
sec
ure
it. T
his
prev
ents
it h
angi
ng lo
ose
and
catc
hing
on
any
item
as
the
user
is c
arry
ing
the
dete
ctor
.Th
e ca
rry c
ase
has
a co
nven
ient
and
adj
usta
ble
shou
lder
stra
p fo
r eas
e of
use
. In
the
even
t tha
t the
stra
p is
lost
or d
amag
ed a
repl
acem
ent i
s av
aila
ble
- see
“Spa
res”
on
page
37.
The
kit i
s su
pplie
d in
an
outfi
t cas
e th
at is
als
o co
nven
ient
for t
rans
porta
tion
and
long
term
sto
rage
.
R 15
5.5
QU
ICK
STA
RT
GU
IDE
ALW
AYS
read
“W
orki
ng s
afel
y” o
n pa
ge5
befo
re u
sing
this
equ
ipm
ent.
R
166 U
SIN
G T
HE
HO
LID
AY
DET
ECTO
R
ALW
AYS
read
“W
orki
ng s
afel
y” o
n pa
ge5
befo
re u
sing
this
equ
ipm
ent.
6.1
TEST
BA
TTER
IES
Turn
PR
OB
E VO
LTA
GE
cont
rol f
ully
ant
i-clo
ckw
ise
to s
et th
e vo
ltage
out
put t
o ze
ro.
Push
and
hol
d do
wn
ON
/TES
T sw
itch
to th
e TE
ST p
ositi
on. I
f the
bat
tery
low
indi
cato
r is
not
sho
wn
on th
e di
spla
y th
e in
stru
men
t is
read
y fo
r use
. Oth
erw
ise
the
batte
ry re
quire
s ch
argi
ng -
see
“Cha
rgin
g th
eba
ttery
” on
page
35.
6.2
CO
NN
ECT
LEA
DS
Not
e:If
the
dete
ctor
is b
eing
use
d in
the
car
ry c
ase
prov
ided
, sl
ip t
he h
igh
volta
ge r
etur
n (e
arth
) le
adth
roug
h th
e lo
op o
n th
e si
de o
f the
cas
e. T
his
will
red
uce
the
poss
ibili
ty o
f the
hig
h vo
ltage
ret
urn
(ear
th)
lead
bec
omin
g de
tach
ed a
ccid
enta
lly.
Switc
h O
N/T
EST
to th
e ce
ntre
pos
ition
and
turn
PR
OB
E VO
LTA
GE
fully
ant
i-clo
ckw
ise
to e
nsur
e th
at th
ein
stru
men
t is
safe
(min
imum
out
put v
olta
ge).
Con
nect
the
blac
k hi
gh v
olta
ge p
robe
han
dle
and
lead
to th
e hi
gh v
olta
ge p
robe
con
nect
ion
and
the
blac
khi
gh v
olta
ge re
turn
(ear
th) l
ead
to th
e H
igh
volta
ge re
turn
term
inal
.
6.3
SELE
CT
PRO
BE
Sele
ct th
e pr
obe
best
sui
ted
for t
he w
ork
(see
“Pro
be s
elec
tion”
on
page
28),
and
atta
ch it
to th
e hi
gh v
olta
gepr
obe.
R 17
6.4
CO
NN
ECT
HIG
H V
OLT
AG
E R
ETU
RN
TO
SU
BST
RA
TEC
lam
p th
e hi
gh v
olta
ge re
turn
cab
le (e
arth
lead
) to
expo
sed
subs
trate
.
6.5
CH
ECK
OPE
RA
TIO
N O
F H
IGH
VO
LTA
GE
RET
UR
N C
ON
NEC
TIO
NTh
e in
stru
men
t has
two
mea
sure
men
t ran
ges
volta
ge o
r cur
rent
. For
the
purp
ose
of th
is te
st m
etho
d on
lyth
e vo
ltage
rang
e is
of i
nter
est.
To s
elec
t the
vol
tage
mea
sure
men
t ran
ge th
e ra
nge
sele
ctio
n sw
itch
shou
ldbe
in th
e kV
pos
ition
.H
oldi
ng th
e pr
obe
by it
s ha
ndle
and
in fr
ee a
ir, p
ress
ON
/TES
T on
the
side
mar
ked
ON
to tu
rn th
e de
tect
oron
.Tu
rn P
RO
BE
VOLT
AG
E cl
ockw
ise
until
the
LCD
dis
play
indi
cate
s an
out
put o
f 1kV
and
turn
SEN
SITI
VITY
fully
clo
ckw
ise.
Plac
e th
e pr
obe
on b
are
subs
trate
or t
he h
igh
volta
ge re
turn
(ear
th) c
onne
ctio
n.Th
e au
dibl
e al
arm
sho
uld
soun
d, A
LAR
M s
houl
d lig
ht a
nd th
e ne
on in
dica
tor i
n th
e pr
obe
hand
le s
houl
dgl
ow, i
ndic
atin
g th
at th
e hi
gh v
olta
ge re
turn
con
nect
ion
is g
ood.
Switc
h O
N/T
EST
to th
e ce
ntre
pos
ition
. Tur
n PR
OB
E VO
LTA
GE
and
SEN
SITI
VITY
fully
ant
i-clo
ckw
ise
tole
ave
the
dete
ctor
in a
saf
e co
nditi
on.
If th
e de
tect
or d
oes
not r
espo
nd a
s de
scrib
ed th
en th
e hi
gh v
olta
ge c
onne
ctio
n is
not
sat
isfa
ctor
y. R
epea
tal
l th
e pr
evio
us s
teps
and
try
aga
in.
If th
e hi
gh v
olta
ge r
etur
n is
stil
l no
t sa
tisfa
ctor
y, r
efer
to
“Tro
uble
shoo
ting”
on
page
30. I
n ad
ditio
n, c
onfir
m th
at th
e su
bstra
te is
a c
ondu
ctor
and
the
coat
ing
anin
sula
tor.
If th
is is
not
the
case
, the
n th
e de
tect
or w
ill no
t wor
k.
R
186.6
SET
TEST
VO
LTA
GE
For t
est v
olta
ge s
elec
tion
met
hods
, see
“Set
ting
the
test
vol
tage
and
sen
sitiv
ity” o
n pa
ge22
.H
oldi
ng th
e pr
obe
in fr
ee a
ir pr
ess
ON
posi
tion
to tu
rn th
e de
tect
or o
n.Tu
rn P
RO
BE
VOLT
AG
E cl
ockw
ise
until
the
requ
ired
test
vol
tage
is in
dica
ted
on th
e LC
D d
ispl
ay.
6.7
SET
ALA
RM
SEN
SITI
VITY
Turn
SEN
SITI
VITY
clo
ckw
ise
to s
et th
e se
nsiti
vity
to a
sui
tabl
e le
vel,
see
“Set
ting
the
test
vol
tage
and
sens
itivi
ty” o
n pa
ge22
for d
etai
ls o
n se
tting
sen
sitiv
ity.
6.8
CH
ECK
FO
R C
OR
REC
T O
PER
ATI
ON
Eith
er fi
nd o
r mak
e a
flaw
in th
e co
atin
g. U
sing
the
proc
edur
e ou
tline
d in
sec
tion
6.9,
test
that
the
flaw
can
be lo
cate
d.If
the
flaw
is n
ot d
etec
ted,
che
ck th
at a
ll th
e pr
eced
ing
step
s ha
ve b
een
unde
rtake
n co
rrect
ly. I
f so,
then
refe
r to
“Tro
uble
shoo
ting”
on
page
30.
6.9
INSP
ECT
CO
ATI
NG
FO
R F
LAW
SPl
ace
the
prob
e on
the
test
sur
face
. Kee
p th
e pr
obe
in c
onta
ct w
ith th
e su
rface
and
mov
e it
over
the
wor
kar
ea a
t a s
peed
of a
ppro
xim
atel
y on
e m
etre
eve
ry fo
ur s
econ
ds, 0
.25
m/s
(10"
/s).
The
pres
ence
of o
ne o
r mor
e of
the
follo
win
g in
dica
tes
that
ther
e is
a fl
aw in
the
coat
ing:
•A
spar
k be
twee
n th
e pr
obe
and
the
surfa
ce•
ALA
RM
flas
hes
•Th
e au
dibl
e al
arm
sou
nds
R 19
•Th
e ou
tput
vol
tage
, ind
icat
ed o
n th
e LC
D d
ispl
ay, d
rops
sub
stan
tially
•Th
e pr
obe
neon
indi
cato
r glo
ws
The
prob
e sh
ould
alw
ays
touc
h th
e su
rface
. Gap
s be
twee
n th
e pr
obe
and
the
coat
ing
can
resu
lt in
gen
uine
flaw
s no
t bei
ng d
etec
ted.
6.10
MO
VIN
G W
OR
K P
OSI
TIO
N A
ND
FIN
ISH
ING
WO
RK
Prio
r to
repo
sitio
ning
the
high
vol
tage
retu
rn le
ad, t
he d
etec
tor s
houl
d be
sw
itche
d of
f and
the
outp
ut v
olta
getu
rned
to z
ero.
Whe
n th
e hi
gh v
olta
ge r
etur
n (e
arth
lead
) ha
s be
en a
ttach
ed a
t its
new
pos
ition
, the
con
nect
ions
sho
uld
alw
ays
be c
heck
ed -
see
“Che
ck o
pera
tion
of h
igh
volta
ge re
turn
con
nect
ion”
on
page
17.
Alw
ays
turn
the
det
ecto
r of
f an
d se
t th
e vo
ltage
to
zero
bef
ore
disc
onne
ctin
g th
e le
ads,
whe
n w
ork
isfin
ishe
d an
d w
hen
leav
ing
wor
k un
atte
nded
.
7 ST
ATI
C E
LEC
TRIC
ITY
As th
e pr
obe
is m
oved
ove
r the
sur
face
of a
coa
ting,
a s
tatic
cha
rge
build
s up
whi
ch c
an:
•C
ause
obj
ects
in c
onta
ct w
ith th
e su
rface
to b
ecom
e ch
arge
d w
ith th
e sa
me
pola
rity.
•In
duce
an
oppo
site
cha
rge
on n
earb
y ob
ject
s el
ectri
cally
insu
late
d fro
m th
e su
rface
.
R
20The
follo
win
g ex
ampl
es d
emon
stra
te th
e po
ssib
le e
ffect
s on
the
oper
ator
if in
side
a s
hort
pipe
insu
late
dfro
m th
e gr
ound
:
AVO
IDIN
G S
TATI
C S
HO
CK
A co
nduc
tive
stra
p be
twee
n th
e op
erat
or a
nd th
e gr
ound
(ear
th) w
ill st
op th
e bo
dy fr
om b
ecom
ing
char
ged.
Rub
ber g
love
s an
d fo
otw
ear s
houl
d be
wor
n. T
here
may
stil
l be
a sh
ock
insi
de th
e pi
pe if
an
un-in
sula
ted
part
of th
e bo
dy to
uche
s th
e ch
arge
d co
atin
g.In
add
ition
to th
e ab
ove
met
hods
it is
als
o re
com
men
ded
that
the
wor
k pi
ece
shou
ld b
e bo
nded
to a
ear
thpo
tent
ial t
hus
prev
entin
g an
y bu
ild-u
p of
cha
rge,
whi
ch c
an r
emai
n on
a is
olat
ed te
st p
iece
for
seve
ral
min
utes
afte
r tes
ting
has
been
com
plet
ed.
Ope
rato
r not
wea
ring
rubb
ergl
oves
or f
ootw
ear:
Ope
rato
r wea
ring
rubb
er g
love
s an
d fo
otw
ear:
The
oper
ator
is to
uchi
ng th
e co
atin
g.Th
e ru
bber
glo
ves
and
foot
wea
r in
sula
te th
em fr
om th
e co
atin
g.
The
body
then
bec
omes
cha
rged
at
the
sam
e po
larit
y as
the
coat
ing.
The
body
bec
omes
cha
rged
with
the
oppo
site
pol
arity
to th
e co
atin
g
No
shoc
k if
the
coat
ing
is to
uche
d.If
an u
nins
ulat
ed p
art o
f the
Ope
rato
r to
uche
s th
e co
atin
g, d
isch
arge
will
caus
e a
shoc
k.
The
oper
ator
get
s a
shoc
k st
eppi
ng
from
the
pipe
to th
e gr
ound
.Th
e op
erat
or g
ets
a sh
ock
step
ping
fro
m th
e pi
pe to
the
grou
nd
R 21
8 U
SIN
G T
HE
CU
RR
ENT
MO
NIT
OR
ING
FU
NC
TIO
NIn
add
ition
to b
eing
abl
e to
mon
itor t
he v
olta
ge a
vaila
ble
at th
e en
d of
the
high
vol
tage
pro
be, t
he in
stru
men
t is
also
capa
ble
of m
onito
ring
the
curre
nt fl
owin
g fro
m th
e hi
gh v
olta
ge p
robe
thro
ugh
the
wor
k pi
ece
and
back
to th
e hi
ghvo
ltage
(ear
th) r
etur
n. T
his
faci
lity
enab
les
the
mea
sure
men
t tec
hniq
ue to
be
used
on
parti
ally
con
duct
ive
coat
ings
or a
met
hod
of te
stin
g th
e br
eakd
own
volta
ge o
f ins
ulat
ing
mat
eria
ls, i
.e. T
estin
g th
e br
eakd
own
volta
ge o
f ins
ulat
ion
used
in e
lect
ric b
lank
ets.
8.1
BR
EAK
DO
WN
VO
LTA
GE
OPE
RA
TIO
N O
UTL
INE
ALW
AYS
con
sult
the
safe
ty g
uide
bef
ore
usin
g eq
uipm
ent.
Afte
r pr
elim
inar
y eq
uipm
ent c
heck
s, th
e hi
gh v
olta
ge r
etur
n (e
arth
) le
ad s
houl
d be
con
nect
ed to
the
subs
trate
or
cond
uctiv
e m
ater
ial t
hat t
he in
sula
tion
is b
onde
d to
. The
test
vol
tage
is s
elec
ted
and
appl
ied
to th
e co
atin
g su
rface
thro
ugh
a pr
obe.
If th
e pr
obe
is p
asse
d ov
er a
coa
ting
flaw
, the
n cu
rrent
flow
s as
the
elec
trica
l circ
uit i
s cl
osed
. Thi
sre
sults
in a
udib
le a
nd v
isua
l ala
rms
bein
g ac
tivat
ed in
the
dete
ctor
and
a s
park
may
be
prod
uced
bet
wee
n th
e pr
obe
and
the
subs
trate
.
SETT
ING
TH
E VO
LTA
GE
The
aim
of t
his
test
met
hod
is to
det
erm
ine
the
insu
latio
n re
sist
ance
of t
he n
on-c
ondu
ctiv
e co
atin
g.As
suc
h th
e vo
ltage
sho
uld
be s
et to
the
brea
kdow
n or
max
imum
wor
king
vol
tage
of t
he in
sula
ting
mat
eria
l. Th
usby
mon
itorin
g th
e cu
rrent
flow
dur
ing
the
test
it is
pos
sibl
e to
det
erm
ine
the
appr
oxim
ate
insu
latio
n re
sist
ance
of
the
non-
cond
uctin
g m
ater
ial.
SETT
ING
TH
E A
LAR
M S
ENSI
TIVI
TYTh
e al
arm
func
tion
for t
his
type
of t
est d
oes
not p
rovi
de a
ny u
sefu
l inf
orm
atio
n, fo
r thi
s re
ason
the
alar
m is
set
toth
e m
inim
um s
ensi
tivity
i.e.
the
Sens
itivi
ty if
fully
ant
i-clo
ckw
ise.
CU
RR
ENT
MO
NIT
OR
ING
RA
NG
E SE
LEC
TIO
NIn
ord
er to
mon
itor t
he c
urre
nt fl
ow th
e m
easu
ring
rang
e of
the
inst
rum
ent m
ust b
e ch
ange
d, th
is is
ach
ieve
d by
plac
ing
the
rang
e se
lect
ion
switc
h in
the μA
pos
ition
.
R
229 SE
TTIN
G T
HE
TEST
VO
LTA
GE
AN
D S
ENSI
TIVI
TY
For e
ffect
ive
test
ing,
the
outp
ut v
olta
ge m
ust l
ie b
etw
een
uppe
r and
low
er li
mits
. The
upp
er v
olta
ge li
mit
isth
at a
t whi
ch th
e co
atin
g its
elf w
ould
bre
akdo
wn
and
be d
amag
ed. T
here
fore
, the
test
vol
tage
sho
uld
belo
wer
than
this
val
ue. T
he lo
wer
lim
it is
the
volta
ge re
quire
d to
bre
ak d
own
the
thic
knes
s of
air
equi
vale
ntto
the
coat
ing
thic
knes
s. If
the
outp
ut v
olta
ge is
not
gre
ater
than
this
val
ue, t
hen
a fla
w w
ill no
t be
dete
cted
.Th
e fo
llow
ing
desc
ribes
how
the
band
of s
afe,
but
effe
ctiv
e, v
olta
ge o
utpu
ts m
ay b
e de
term
ined
.
9.1
DIE
LEC
TRIC
STR
ENG
THW
hate
ver t
he m
ater
ial,
if a
high
eno
ugh
volta
ge is
app
lied,
it w
ill co
nduc
t ele
ctric
ity. H
owev
er, f
or in
sula
tors
,e.
g. p
aint
, th
e le
vel o
f vo
ltage
req
uire
d to
ach
ieve
a c
urre
nt fl
ow u
sual
ly r
esul
ts in
irre
vers
ible
mat
eria
lda
mag
e.Th
e vo
ltage
at w
hich
a p
artic
ular
thic
knes
s of
mat
eria
l bre
aks
dow
n is
term
ed th
e di
elec
tric
stre
ngth
. Thi
sis
usu
ally
exp
ress
ed a
s th
e vo
ltage
per
uni
t dis
tanc
e, e
.g. k
V/m
m. I
ts v
alue
dep
ends
on
the
type
of a
pplie
dvo
ltage
, e.
g. A
C,
DC
or
puls
ed,
tem
pera
ture
and
thi
ckne
ss.
Figu
re 4
sho
ws
the
rela
tions
hip
betw
een
brea
kdow
n vo
ltage
(DC
) and
thic
knes
s fo
r mat
eria
ls o
f diff
eren
t die
lect
ric s
treng
ths.
The
uppe
r vo
ltage
lim
it is
the
diel
ectri
c st
reng
th o
f the
mat
eria
l mul
tiplie
d by
its
thic
knes
s an
d th
e lo
wer
volta
ge li
mit
is th
e di
elec
tric
stre
ngth
of a
ir m
ultip
lied
by th
e th
ickn
ess.
The
diel
ectri
c st
reng
th o
f co
atin
g m
ater
ials
usu
ally
lie
s in
the
reg
ion
of 1
0kV
/mm
to
30kV
/mm
. Th
edi
elec
tric
stre
ngth
of a
ir ra
nges
from
1.3
kV/m
m to
4kV
/mm
.
R 23
Figu
re 4
. Bre
akdo
wn
volta
ge a
gain
st th
ickn
ess
for m
ater
ials
of d
iffer
ent d
iele
ctric
str
engt
hs
R
249.2
ESTA
BLI
SHIN
G T
HE
VOLT
AG
E LI
MIT
S
THE
LOW
ER L
IMIT
The
low
er li
mit
for
effe
ctiv
e op
erat
ion
is th
at re
quire
d to
bre
akdo
wn
the
thic
knes
s of
air
equi
vale
nt to
the
coat
ing
thic
knes
s. T
he b
reak
dow
n vo
ltage
of a
giv
en th
ickn
ess
of a
ir va
ries
with
hum
idity
, pre
ssur
e an
dte
mpe
ratu
re b
ut is
~ 4
kV/m
m (0
.1kV
/mil)
If
the
coat
ing
thic
knes
s is
kno
wn,
or c
an b
e m
easu
red,
the
low
er lim
it va
lue
can
be re
ad fr
om F
igur
e 4,
usi
ngth
e lin
e m
arke
d AI
R. F
or in
stan
ce, i
f the
coa
ting
thic
knes
s is
1.0
mm
then
the
low
er li
mit
is ~
4.5
kV.
If th
e co
atin
g th
ickn
ess
is n
ot k
now
n th
en th
e m
inim
um v
alue
has
to b
e es
tabl
ishe
d ex
perim
enta
lly. T
urn
the
outp
ut v
olta
ge to
zer
o an
d po
sitio
n th
e pr
obe
over
an
unpr
otec
ted
area
of s
ubst
rate
at t
he n
orm
al h
eigh
tof
the
coat
ing
surfa
ce. T
urn
the
volta
ge u
p sl
owly
and
ste
adily
unt
il a s
park
is p
rodu
ced
and
note
the
volta
ge.
This
vol
tage
form
s th
e lo
wer
lim
it.
THE
UPP
ER L
IMIT
The
uppe
r vol
tage
lim
it m
ay b
e de
term
ined
by:
The
job
spec
ifica
tion
- if a
vaila
ble
and
a te
st v
olta
ge is
sta
ted.
The
diel
ectr
ic s
tren
gth
- if s
peci
fied
for t
he a
pplie
d co
atin
g.
Mea
sure
the
thic
knes
s of
the
laye
r an
d re
fer
to F
igur
e 4.
Alte
rnat
ivel
y, c
alcu
late
the
max
imum
vol
tage
,al
low
ing
for v
aria
tions
in th
e co
atin
g th
ickn
ess.
Not
e th
at 1
kV p
er m
m is
equ
ival
ent t
o 25
.4V
per m
il (th
ou).
Not
e:Th
is m
etho
d is
onl
y su
itabl
e if
the
diel
ectri
c st
reng
th v
alue
s w
ere
dete
rmin
ed fo
r a D
C v
olta
ge.
Expe
rimen
t - T
ouch
the
prob
e on
an
unim
porta
nt a
rea
of th
e w
ork
piec
e. In
crea
se th
e vo
ltage
slo
wly
and
stea
dily
unt
il a
spar
k pa
sses
thr
ough
the
coa
ting
and
note
the
vol
tage
. Th
e di
elec
tric
stre
ngth
can
be
calc
ulat
ed b
y di
vidi
ng th
is v
olta
ge b
y th
e co
atin
g th
ickn
ess.
R 25
Tabl
es a
nd fo
rmul
ae -
from
est
ablis
hed
Cod
es o
f Pra
ctic
e,e.
g. N
ACE
and
ASTM
. See
Tab
le2,
Tab
le3
and
Tabl
e4.
9.3
SETT
ING
TH
E TE
ST V
OLT
AG
EO
nce
the
volta
ge li
mits
hav
e be
en e
stab
lishe
d, s
et th
e ou
tput
vol
tage
app
roxi
mat
ely
halfw
ay b
etw
een
the
two
valu
es.
9.4
SETT
ING
ALA
RM
SEN
SITI
VITY
Alar
m s
ensi
tivity
is th
e cu
rrent
thre
shol
d or
leve
l, ab
ove
whi
ch th
e al
arm
trig
gers
whe
n a
flaw
is d
etec
ted.
Itis
adj
usta
ble
so th
at th
e ef
fect
s of
any
pre
vailin
g el
ectri
cal l
eaka
ge, t
hrou
gh th
e co
atin
g or
moi
st a
ir, c
an b
eco
unte
ract
ed to
pre
vent
fals
e al
arm
s.Tu
rnin
g th
e SE
NSI
TIVI
TY k
nob
cloc
kwis
e, d
ecre
ases
the
curre
nt th
resh
old
and
mak
es th
e de
tect
or m
ore
sens
itive
. SE
NSI
TIVI
TY t
urne
d fu
lly c
lock
wis
e gi
ves
the
max
imum
det
ecto
r se
nsiti
vity
and
the
low
est
thre
shol
d cu
rrent
SEN
SITI
VITY
turn
ed fu
lly a
nti-c
lock
wis
e gi
ves
the
min
imum
det
ecto
r sen
sitiv
ity a
nd th
ehi
ghes
t thr
esho
ld c
urre
nt.
If th
e se
nsiti
vity
is to
o hi
gh, t
he a
larm
will
oper
ate
whe
n cu
rrent
flow
s in
the
abse
nce
of a
faul
t, e.
g. d
ue to
dam
p su
rface
s or
slig
htly
con
duct
ive
coat
ings
.
R
26If se
nsiti
vity
is to
o lo
w th
en th
e al
arm
will
not b
e tri
gger
ed, a
s th
e cu
rrent
will
neve
r rea
ch th
e th
resh
old
leve
l.H
owev
er,
the
prob
e ha
ndle
neo
n in
dica
tor
will
still
illum
inat
e an
d sp
arki
ng m
ay o
ccur
whe
n a
flaw
is
dete
cted
.Ta
ble
2: k
V va
lues
from
AST
M G
62-8
7 (u
p to
1m
m)
Mic
rons
Kilo
volts
(kV)
Thou
Kilo
volts
(kV)
100
1.04
51.
1720
01.
4710
1.66
300
1.80
152.
0340
02.
0820
2.34
500
2.33
252.
6360
02.
5530
2.88
700
2.76
353.
1180
02.
9540
3.32
900
3.12
1000
3.29
R 27
Tabl
e 3:
kV
valu
es fr
om A
STM
G62
-87
(abo
ve 1
mm
)
mm
Kilo
volts
(kv)
Thou
Kilo
volts
(kV)
)1
7.84
407.
912
11.0
980
11.1
83
13.5
812
013
.69
415
.69
160
15.8
15
17.5
420
017
.68
619
.21
240
19.3
67
20.7
528
020
.92
Tabl
e 4:
kV
valu
es fr
om N
AC
E R
P018
8-88
mm
Thou
Kilo
volts
(kV)
0.20
to 0
.28
18 –
11
1.5
0.30
to 0
.38
12 –
15
2.0
0.40
to 0
.50
16 –
20
2.5
0.53
to 1
.00
21 –
40
3.0
1.01
to 1
.39
41 –
55
4.0
1.42
to 2
.00
56 –
80
6.0
2.06
to 3
.18
81 –
125
10.0
3.20
to 3
.43
126
– 13
515
.0
R
2810 P
RO
BE
SELE
CTI
ON
Tabl
e5
show
s th
e m
ost s
uita
ble
prob
e to
use
dep
endi
ng o
n th
e ch
arac
teris
tics
of th
e su
rface
to b
e te
sted
,e.
g. i
nter
nal
and
exte
rnal
pip
e su
rface
s, l
arge
sur
face
s an
d co
mpl
ex s
hape
s. I
n ad
ditio
n, l
ong
reac
hap
plic
atio
ns c
an b
e ca
rried
out
usi
ng e
xten
sion
pie
ces
that
are
sui
tabl
e fo
r use
with
all
prob
e ty
pes.
The
exte
nsio
n pi
eces
are
ava
ilabl
e in
250
mm
, 500
mm
and
100
0m
m le
ngth
s. J
oini
ng th
e ex
tens
ion
piec
es w
itha
coup
ling
can
mak
e up
oth
er le
ngth
s.Al
l pro
bes,
ext
ensi
ons
and
coup
lings
men
tione
d in
this
Sec
tion
are
avai
labl
e fro
m E
lcom
eter
or y
our l
ocal
Elco
met
er s
uppl
ier.
Onl
y th
ose
fittin
gs s
uppl
ied
by E
lcom
eter
sho
uld
be u
sed
with
this
det
ecto
r.Fu
rther
det
ails
of
the
prob
es a
nd o
ther
acc
esso
ries,
incl
udin
g pa
rt nu
mbe
rs,
are
give
n in
“Sp
ares
” on
page
37.
Tabl
e 5:
The
bes
t pro
be fo
r var
ious
sur
face
type
s
Type
of S
urfa
ceR
ecom
men
ded
Prob
eN
otes
Smal
l are
a, c
ompl
ex
surfa
ce, g
ener
al
appl
icat
ion
Band
bru
sh p
robe
Prov
ides
low
con
tact
pr
essu
re
Larg
e su
rface
are
asR
ight
-ang
le b
rush
pro
beAv
aila
ble
in d
iffer
ent
wid
ths,
with
con
duct
ive
strip
for l
ight
con
tact
and
ph
osph
or b
ronz
e w
ire
for m
ediu
m c
onta
ct
R 29
Insi
des
of p
ipes
40
mm
to
300
mm
(1.5
” to
12")
di
amet
er
Circ
ular
bru
sh p
robe
Incl
udes
250
mm
ex
tens
ion
rod
Out
side
of p
ipes
, 50
mm
to
100
0m
m (2
” to
36")
di
amet
er
Rol
ling
sprin
g pr
obe
A ph
osph
or b
ronz
e sp
ring
with
a 2
50m
m
exte
nsio
n ro
d su
pplie
d as
sta
ndar
d
Tabl
e 5:
The
bes
t pro
be fo
r var
ious
sur
face
type
s
Type
of S
urfa
ceR
ecom
men
ded
Prob
eN
otes
R
3011 T
RO
UB
LESH
OO
TIN
G
11.1
LC
D D
ISPL
AY
REL
ATE
D P
RO
BLE
MS
LCD
DIS
PLA
Y D
OES
NO
T FU
NC
TIO
N
LCD
DIS
PLA
Y SH
OW
S -1
CO
NTI
NU
OU
SLY
DIS
PLA
YED
VO
LTA
GE
DR
OPS
DU
RIN
G T
EST
DIS
PLA
YED
VO
LTA
GE
IS H
IGH
ER T
HA
N T
HA
T A
T PR
OB
E TI
P
Poss
ible
Rea
son
Solu
tion
The
dete
ctor
is n
ot s
et to
ON
pos
ition
Switc
h O
N/T
EST
to O
NTh
e ba
ttery
is fl
at, a
s in
dica
ted
by th
e lo
w b
atte
ry
indi
cato
r on
the
LCD
Rec
harg
e th
e ba
ttery
, see
sec
tion
12.1
Poss
ible
Rea
son
Solu
tion
Volta
ge h
ighe
r tha
n ra
nge
of L
CD
Dec
reas
e th
e ou
tput
vol
tage
or u
se a
larg
er c
apac
ity
dete
ctor
Poss
ible
Rea
son
Solu
tion
Con
duct
ive
surfa
ce, P
robe
sur
face
are
a to
o la
rge
See
sect
ion
11.4
. Use
a s
mal
ler p
robe
(see
sec
tion
10)
or in
crea
se th
e ou
tput
vol
tage
Poss
ible
Rea
son
Solu
tion
Dam
aged
hig
h vo
ltage
lead
Rep
lace
lead
Mis
sing
or b
roke
n ne
on in
dica
tor
Rep
lace
Neo
n in
dica
tor
Poor
hig
h vo
ltage
retu
rn c
onne
ctio
nC
heck
all
conn
ectio
ns, s
ee s
ectio
n 6.
2
R 31
11.2
ALA
RM
REL
ATE
D P
RO
BLE
MS
CO
NTI
NU
OU
S A
LAR
M S
OU
ND
ING
NO
ALA
RM
WH
EN A
FA
ULT
IS D
ETEC
TED
11.3
NO
SPA
RK
AT
PRO
BE
TIP
Poss
ible
Rea
son
Solu
tion
Con
duct
ive
coat
ing
See
“Con
duct
ive
coat
ings
” on
page
32Se
nsiti
vity
too
high
Red
uce
sens
itivi
ty b
y tu
rnin
g SE
NSI
TIVI
TY a
nti-
cloc
kwis
ePr
obe
mov
emen
t too
fast
Mov
e at
0.2
5m
/s (1
0"/s
)Pr
obe
surfa
ce a
rea
too
grea
tU
se s
mal
ler p
robe
, see
sec
tion
10
Poss
ible
Rea
son
Solu
tion
Sens
itivi
ty to
o lo
wIn
crea
se s
ensi
tivity
by
turn
ing
SEN
SITI
VITY
cloc
kwis
e.Vo
ltage
too
low
Incr
ease
vol
tage
by
turn
ing
PRO
BE
VOLT
AG
Ecl
ockw
ise.
Als
o se
e se
ctio
n 9
Poss
ible
Rea
son
Solu
tion
Neo
n in
dica
tor i
n ha
ndle
Rep
lace
neo
n in
dica
tor d
amag
edD
amag
ed le
ads
Rep
air o
r rep
lace
lead
sPo
or c
onne
ctio
nsC
lean
con
nect
ions
and
reco
nnec
t lea
ds, s
ee s
ectio
n 6.
2Fl
at b
atte
ryR
echa
rge
batte
ry, s
ee s
ectio
n 12
.1
R
3211.4
SPE
CIA
L C
ON
SID
ERA
TIO
NS
CO
ND
UC
TIVE
CO
ATI
NG
SAs
sta
ted
abov
e, if
the
disp
laye
d vo
ltage
dro
ps s
harp
ly w
hen
the
prob
e is
app
lied
to th
e te
st s
urfa
ce o
r the
alar
m s
ound
s co
ntin
uous
ly,
then
the
coa
ting
may
be
cond
uctiv
e. T
he u
sual
occ
urre
nces
of
cond
uctiv
eco
atin
gs a
re d
escr
ibed
in th
e fo
llow
ing.
EXIS
TEN
CE
OF
MET
ALLI
C, C
ARBO
NO
RO
THER
CO
ND
UC
TIN
GPA
RTI
CLE
SIN
THE
CO
ATIN
G: D
urin
g no
rmal
use
, the
parti
cles
in th
is ty
pe o
f coa
ting
are
not l
inke
d. H
owev
er, w
hen
the
coat
ing
is s
ubje
cted
to h
igh
volta
ges
the
mat
eria
l bet
wee
n th
e pa
rticl
es c
an b
reak
dow
n. T
his
resu
lts in
the
coat
ing
beco
min
g co
nduc
tive
and
the
dete
ctor
indi
catin
g th
e pr
esen
ce o
f a fl
aw.
To o
verc
ome
this
effe
ct, t
he v
olta
ge s
houl
d be
redu
ced
so th
at it
is s
till h
igh
enou
gh to
det
ect f
law
s bu
t low
enou
gh to
avo
id b
reak
dow
n of
the
coat
ing.
How
ever
, in
som
e ca
ses
the
coat
ing
will
still
cond
uct a
t vol
tage
sth
at a
re to
o lo
w to
loca
te a
flaw
. In
this
cas
e, th
e ho
liday
det
ecto
r is
not a
sui
tabl
e m
etho
d fo
r che
ckin
g th
eco
atin
g.SU
RFA
CE
MO
ISTU
RE
OR
CO
NTA
MIN
ATIO
N: C
erta
in s
olub
le s
alts
attr
act m
oist
ure
from
the
atm
osph
ere
and
this
and
othe
r for
ms
of s
urfa
ce c
onta
min
atio
n ca
n fo
rm a
pat
h ac
ross
the
surfa
ce to
the
high
vol
tage
that
is n
otdu
e to
a c
oatin
g fla
w.
Und
er t
hese
con
ditio
ns t
he d
etec
tor
indi
cate
s no
n-ex
iste
nt f
law
s. W
hen
thes
eci
rcum
stan
ces
occu
r, th
e su
rface
sho
uld
eith
er b
e dr
ied
usin
g a
suita
ble
clot
h or
cle
aned
with
a n
on-
cond
uctin
g cl
eane
r or s
olve
nt w
hich
will
not d
amag
e th
e co
atin
g.N
ote:
Ens
ure
that
any
cle
aner
or s
olve
nt c
onta
iner
s ar
e re
mov
ed fr
om th
e te
st a
rea
befo
re re
-com
men
cing
the
test
.M
OIS
TUR
EPE
NET
RAT
ION
OR
ABSO
RPT
ION
: Moi
stur
e ca
n en
ter
mat
eria
ls, e
.g. g
lass
rei
nfor
ced
plas
tic a
long
the
rein
forc
ing
glas
s fib
res,
if th
e su
rface
is e
rode
d or
scr
atch
ed a
nd th
en im
mer
sed
in w
ater
. In
this
cas
e,al
low
ade
quat
e tim
e fo
r the
coa
ting
to d
ry p
rior t
o te
stin
g.
R 33
RU
BBER
LIN
ING
S: T
hese
may
be
slig
htly
con
duct
ive
due
to th
eir
carb
on c
onte
nt. A
s w
ith o
ther
con
duct
ive
coat
ings
, red
uce
the
alar
m s
ensi
tivity
so
that
the
dete
ctor
indi
cate
s a
know
n fla
w b
ut d
oes
not s
ound
whe
nth
e pr
obe
is p
lace
d on
sou
nd c
oatin
g. It
may
als
o be
nec
essa
ry to
incr
ease
the
test
vol
tage
to c
ompe
nsat
efo
r the
cur
rent
flow
thro
ugh
the
coat
ing.
CO
ATIN
GM
AYN
OT
BEFU
LLY
CU
RED
: In
this
cas
e th
e co
atin
g st
ill co
ntai
ns s
olve
nts
whi
ch a
llow
the
path
to th
ehi
gh v
olta
ge to
be
form
ed e
ven
if a
flaw
is n
ot p
rese
nt. T
o ov
erco
me
this
pro
blem
, allo
w th
e co
atin
g to
cur
ebe
fore
und
erta
king
the
test
.
CO
NC
RET
E SU
BST
RA
TES
If a
conc
rete
or c
emen
t sub
stra
te c
onta
ins
enou
gh m
oist
ure,
then
it w
ill co
nduc
t ele
ctric
ity a
nd th
e ho
liday
dete
ctor
can
be
used
to d
etec
t fla
ws
in it
s co
atin
g.Th
e pr
oced
ure
is g
ener
ally
the
sam
e as
that
des
crib
ed in
“Usi
ng th
e H
olid
ay D
etec
tor”
on p
age
16, b
ut th
efo
llow
ing
poin
ts s
houl
d be
not
ed. H
amm
erin
g a
mas
onry
nai
l, or
sim
ilar c
ondu
ctin
g sp
ike,
into
the
conc
rete
or c
emen
t mak
es th
e hi
gh v
olta
ge re
turn
con
tact
.Th
e su
itabi
lity
of th
e co
ncre
te fo
r use
with
a h
olid
ay d
etec
tor c
an b
e ch
ecke
d us
ing
the
follo
win
g. M
ake
ahi
gh v
olta
ge re
turn
con
tact
by
ham
mer
ing
a na
il or
sim
ilar i
nto
the
conc
rete
. Atta
ch th
e hi
gh v
olta
ge re
turn
lead
to th
e na
il an
d se
t tes
t vol
tage
for t
he th
ickn
ess
of c
oatin
g, o
r in
the
rang
e 3
kV -
6kV
if th
e te
st v
olta
geis
not
kno
wn.
Pl
ace
the
prob
e on
unc
oate
d co
ncre
te a
bout
4 m
etre
s (1
3 fe
et) f
rom
the
nail.
If th
e al
arm
sou
nds,
then
the
conc
rete
is s
uffic
ient
ly c
ondu
ctiv
e.If
the
conc
rete
is to
o dr
y, i.
e. th
e al
arm
doe
s no
t sou
nd, t
hen
it is
unl
ikel
y th
at th
e ho
liday
det
ecto
r will
be a
suita
ble
insp
ectio
n m
etho
d.
R
34LEN
GTH
ENIN
G T
HE
HIG
H V
OLT
AG
E R
ETU
RN
(EA
RTH
) LEA
DIf
the
high
vol
tage
retu
rn c
onne
ctio
n is
at s
ome
dist
ance
from
the
test
are
a th
en a
long
er h
igh
volta
ge re
turn
lead
sho
uld
be u
sed-
see
“Oth
er a
cces
sorie
s” o
n pa
ge44
.Th
is e
nsur
es th
at th
e de
tect
or, a
nd th
eref
ore
alar
ms,
will
be c
lose
to th
e op
erat
or a
nd th
at th
e vo
ltage
decr
ease
in th
e pr
obe
lead
will
be n
ot b
e to
o hi
gh.
Not
e: In
ord
er to
com
ply
with
the
EM
C d
irect
ive
only
ear
th re
turn
lead
leng
ths
spec
ified
by
the
man
ufac
ture
rsh
ould
be
utili
sed.
Incr
easi
ng th
e le
ngth
of t
he le
ad b
eyon
d th
e m
axim
um le
ngth
(10
m) m
ay le
ad to
the
unit
bein
g su
scep
tible
to ra
dio
frequ
ency
inte
rfere
nce.
Lik
ewis
e if
a la
rge
test
pie
ce is
bei
ng in
spec
ted
a si
mila
ref
fect
may
be
obse
rved
. If i
n do
ubt c
onsu
lt E
lcom
eter
or y
our l
ocal
Elc
omet
er S
uppl
ier.
12 M
AIN
TEN
AN
CE
Your
Hol
iday
Det
ecto
r is
desi
gned
to g
ive
man
y ye
ars
relia
ble
serv
ice
unde
r nor
mal
ope
ratin
g an
d st
orag
eco
nditi
ons.
The
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor d
oes
not c
onta
in a
ny u
ser-
serv
icea
ble
com
pone
nts.
In th
e un
likel
yev
ent o
f a fa
ult,
retu
rn y
our D
etec
tor t
o El
com
eter
or y
our
loca
l Elc
omet
er S
uppl
ier.
The
war
rant
y w
ill be
inva
lidat
ed if
the
inst
rum
ent h
as b
een
open
ed.
Det
ails
of E
lcom
eter
offi
ces
arou
nd th
e w
orld
are
giv
en o
n th
e ou
tsid
e co
ver o
f the
se O
pera
ting
Inst
ruct
ions
.Al
tern
ativ
ely
visi
t the
Elc
omet
er w
ebsi
te, w
ww
.elc
omet
er.c
om
12.1
BA
TTER
Y M
AIN
TEN
AN
CE
The
Elco
met
er 2
36 is
des
igne
d to
ope
rate
from
an
inte
rnal
pow
er s
ourc
e co
nsis
ting
of a
nic
kel m
etal
hyd
ride
batte
ry. A
s su
ch, t
here
is n
o ba
ttery
mai
nten
ance
requ
ired.
R 35
For
safe
ty a
nd r
elia
bilit
y, t
he b
atte
ry is
dis
patc
hed
from
Elc
omet
er in
an
unch
arge
d st
ate
and
mus
t be
char
ged
befo
re u
se.
The
batte
ry li
fe fo
r the
30
kV u
nit i
s ty
pica
lly g
reat
er th
an 1
0 ho
urs
depe
ndin
g on
the
wor
king
vol
tage
and
num
ber
of f
aults
fou
nd d
urin
g th
e w
orki
ng d
ay.
The
15kV
uni
t ba
ttery
life
is
grea
ter
than
20
hour
s.R
echa
rgin
g th
e ba
ttery
will
take
app
roxi
mat
ely
12 h
ours
and
sho
uld
only
be
atte
mpt
ed w
ith th
e ch
arge
rsu
pplie
d w
ith th
e in
stru
men
t.An
ext
erna
l bat
tery
can
be
conn
ecte
d to
the
unit,
byp
assi
ng th
e in
tern
al b
atte
ry. T
his
will
give
con
tinuo
usop
erat
ion
exce
edin
g 10
or 2
0 ho
urs
if re
quire
d - s
ee “O
ther
acc
esso
ries”
on
page
44 fo
r ord
erin
g de
tails
.
CH
AR
GIN
G T
HE
BA
TTER
YC
harg
ing
of th
e ba
ttery
is n
ot r
equi
red
until
the
batte
ry lo
w le
vel s
ymbo
l lig
hts
on th
e di
spla
y. O
nce
this
sym
bol s
how
s, th
ere
shou
ld b
e ap
prox
imat
ely
half
an h
our
of b
atte
ry li
fe b
efor
e th
e pe
rform
ance
of t
hein
stru
men
t will
suffe
r.C
harg
ing
of in
tern
al o
r ex
tern
al b
atte
ries
shou
ld o
nly
be a
ttem
pted
with
the
char
ger
supp
lied.
Whe
n th
eba
ttery
low
in
dica
tor
show
s in
the
disp
lay,
the
inst
rum
ent s
houl
d be
turn
ed o
ff an
d if
an e
xter
nal
batte
ry is
bei
ng u
sed
this
sho
uld
be u
nplu
gged
from
the
inst
rum
ent a
nd th
en re
char
ged.
The
char
ger s
houl
d th
en b
e pl
ugge
d in
to th
e ap
prop
riate
soc
ket o
n th
e in
stru
men
t or e
xter
nal b
atte
ry p
ack
and
the
mai
ns p
ower
sw
itche
d on
. A re
d lig
ht o
n th
e ch
arge
r sho
ws
that
the
batte
ry is
cha
rgin
g co
rrect
ly. I
nth
e ev
ent t
hat t
he li
ght d
oes
not c
ome
on, r
etur
n to
Elc
omet
er o
r you
r loc
al E
lcom
eter
Sup
plie
r for
repa
ir.Af
ter 1
2 ho
urs
the
batte
ry w
ill be
fully
cha
rged
, at t
his
time
the
red
light
on
the
char
ger u
nit w
ill fla
sh o
n a
regu
lar b
asis
.
R
36
WA
RN
ING
: N
o at
tem
pt s
houl
d be
mad
e to
use
the
inst
rum
ent
whi
lst
the
batte
ry is
cha
rgin
g,do
ing
so m
ay re
sult
in p
erm
anen
t dam
age
to th
e ch
arge
r and
or t
he in
stru
men
t its
elf.
12.2
RO
UTI
NE
CH
ECK
SC
heck
the
dete
ctor
, pro
be a
nd h
igh
volta
ge r
etur
n le
ads
and
conn
ecto
rs fo
r dam
age
at r
egul
ar in
terv
als.
Rep
lace
any
par
ts th
at a
re w
orn
or a
re o
f dou
btfu
l con
ditio
n. S
ee “
Spar
es”
on p
age
37 fo
r re
plac
emen
tpa
rts.
If th
e de
tect
or is
not
bei
ng u
sed
regu
larly
, che
ck th
at th
e in
dica
tors
and
mon
itors
are
all
in w
orki
ng o
rder
(See
sec
tion
6.1
to s
ectio
n 6.
5) a
nd re
char
ge th
e ba
ttery
as
nece
ssar
y (S
ee s
ectio
n 12
.1).
Cer
tific
ates
of C
alib
ratio
n ca
n be
issu
ed a
t the
tim
e of
pur
chas
e. If
a C
ertif
icat
e of
Cal
ibra
tion
is re
quire
d,re
turn
the
dete
ctor
to E
lcom
eter
or y
our l
ocal
Elc
omet
er S
uppl
ier,
for r
etes
t and
cer
tific
atio
n. R
enew
al o
f the
Cer
tific
ate
is re
com
men
ded
on a
n an
nual
bas
is.
13 S
TOR
AG
E
The
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor i
ncor
pora
tes
a Li
quid
Cry
stal
Dis
play
. If t
he d
ispl
ay is
heat
ed a
bove
50°
C (1
20°F
) it m
ay b
e da
mag
ed. T
his
can
hap
pen
if th
e co
nduc
tivity
met
er is
left
in a
car
par
ked
in s
trong
sun
light
.Al
way
s st
ore
the
com
pone
nts
of th
e El
com
eter
236
DC
Hol
iday
Det
ecto
r in
the
carry
ing
case
whe
n th
e D
etec
tor i
s no
t bei
ng u
sed.
R 37
14 S
PAR
ES
See
also
“Pro
be s
elec
tion”
on
page
28 fo
r inf
orm
atio
n on
pro
bes.
14.1
RIG
HT
AN
GLE
PR
OB
ES
Rig
ht a
ngle
pro
bes
are
mos
t sui
tabl
e fo
r lar
ge, r
elat
ivel
y fla
t, su
rface
are
as. T
hey
are
avai
labl
e in
3 w
idth
san
d in
clud
e a
prob
e ho
lder
and
a 1
00m
m a
dapt
or a
s st
anda
rd.
The
adap
tor o
n th
is p
robe
can
not b
e re
plac
ed b
y an
ext
ensi
on p
iece
. Ext
ensi
on p
iece
s ca
n be
add
ed u
sing
a co
uplin
g (s
ee s
ectio
n 14
.4).
Wid
thB
rush
Rub
ber S
trip
250
mm
T236
3807
1T2
3638
081
500
mm
T236
3807
2T2
3638
082
1000
mm
T236
3807
3T2
3638
083
1400
mm
–T2
3638
084
Ada
ptor
Hol
der
Phos
phor
bro
nze
wire
or
cond
uctiv
e ru
bber
str
ip
R
38SPA
RE
ELEC
TRO
DES
FO
R R
IGH
T A
NG
LE P
RO
BES
Wid
thB
rush
Rub
ber S
trip
250
mm
T999
2662
1T9
9926
731
500
mm
T999
2662
2T9
9926
732
1000
mm
T999
2662
3T9
9926
733
1400
mm
–T9
9926
734
14.2
CIR
CU
LAR
BR
USH
PR
OB
ESC
ircul
ar b
rush
pro
bes
are
used
to te
st in
tern
al p
ipe
surfa
ces.
They
are
ava
ilabl
e in
12
size
s an
d in
clud
e an
ada
ptor
and
a 2
50m
mex
tens
ion
piec
e as
sta
ndar
d.A
Ada
ptor
T2
3639
01
Exte
nsio
n pi
ece
T236
2663
A
BC
Ada
ptor
T2
3639
02
Exte
nsio
n pi
ece
T236
2663
A
Ada
ptor
T2
3639
02
Exte
nsio
n pi
ece
T236
2663
A
R 39
Pipe
Dia
met
erA
ssy.
Par
tSp
are
Bru
shFi
gure
mm
(ins
)N
umbe
rsPa
rt N
umbe
rs38
(1.5
)T2
3639
07A
T999
3766
-A
51 (2
.0)
T236
3907
BT9
9937
67-
A64
(2.5
)T2
3639
07C
T999
3768
-B
76 (3
.0)
T236
3907
DT9
9937
69-
B89
(3.5
)T2
3639
07E
T999
3770
-B
102
(4.0
)T2
3639
07F
T999
3771
-B
114
(4.5
)T2
3639
07G
T999
3772
-B
127
(5.0
)T2
3639
07H
T999
3773
-B
152
(6.0
)T2
3639
07I
T999
3774
-B
203
(8.0
)T2
3639
07J
T999
3775
-C
254
(10.
0)T2
3639
07K
T999
3776
-C
305
(12.
0)T2
3639
07L
T999
3777
-C
Not
e:Fo
r lar
ger d
iam
eter
s us
e a
right
ang
le b
rush
pro
be.
R
4014.3
RO
LLIN
G S
PRIN
G P
RO
BES
Rol
ling
sprin
g pr
obes
are
use
d to
test
ext
erna
l pip
e su
rface
s.
Des
crip
tion
Part
Num
ber
Elco
met
er 2
36 R
ollin
g Sp
ring
Hol
der
T236
2050
7
Sele
ct th
e re
quire
d sp
ring
size
from
the
list b
elow
Rol
ling
Sprin
g Pr
obe:
OD
48-
54m
m; N
PS 1
.5; D
N 4
0T9
9920
438-
15A
Rol
ling
Sprin
g Pr
obe:
OD
54-
60m
m; N
PS 1
.5; D
N 4
0T9
9920
438-
15B
Rol
ling
Sprin
g Pr
obe:
OD
60-
65m
m; N
PS 2
; DN
50
T999
2043
8-20
A
Rol
ling
Sprin
g Pr
obe:
OD
66-
73m
m; N
PS 2
; DN
50
T999
2043
8-20
B
Rol
ling
Sprin
g Pr
obe:
OD
73-
80m
m; N
PS 2
.5; D
N 6
5T9
9920
438-
25A
Rol
ling
Sprin
g Pr
obe:
OD
80-
88m
m; N
PS 2
.5; D
N 6
5T9
9920
438-
25B
R 41
Rol
ling
Sprin
g Pr
obe:
OD
88-
95m
m; N
PS 3
; DN
80
T999
2043
8-30
A
Rol
ling
Sprin
g Pr
obe:
OD
95-
100m
m; N
PS 3
; DN
80
T999
2043
8-30
B
Rol
ling
Sprin
g Pr
obe:
OD
100
-108
mm
; NPS
3.5
; DN
90
T999
2043
8-35
A
Rol
ling
Sprin
g Pr
obe:
OD
108
-114
mm
; NPS
3.5
; DN
90
T999
2043
8-35
B
Rol
ling
Sprin
g Pr
obe:
OD
114
-125
mm
; NPS
4; D
N 1
00T9
9920
438-
40A
Rol
ling
Sprin
g Pr
obe:
OD
125
-136
mm
; NPS
4.5
; DN
114
T999
2043
8-45
A
Rol
ling
Sprin
g Pr
obe:
OD
136
-141
mm
; NPS
4.5
; DN
114
T999
2043
8-45
B
Rol
ling
Sprin
g Pr
obe:
OD
141
-155
mm
; NPS
5; D
N 1
25T9
9920
438-
50A
Rol
ling
Sprin
g Pr
obe:
OD
155
-168
mm
; NPS
5; D
N 1
25T9
9920
438-
50B
Rol
ling
Sprin
g Pr
obe:
OD
168
-180
mm
; NPS
6; D
N 1
52T9
9920
438-
60A
Rol
ling
Sprin
g Pr
obe:
OD
180
-193
mm
; NPS
6; D
N 1
52T9
9920
438-
60B
Rol
ling
Sprin
g Pr
obe:
OD
193
-213
mm
; NPS
7; D
N 1
78T9
9920
438-
70A
Rol
ling
Sprin
g Pr
obe:
OD
213
-219
mm
; NPS
7; D
N 1
78T9
9920
438-
70B
Rol
ling
Sprin
g Pr
obe:
OD
219
-240
mm
; NPS
8; D
N 2
03T9
9920
438-
80A
Rol
ling
Sprin
g Pr
obe:
OD
240
-264
mm
; NPS
9; D
N 2
29T9
9920
438-
90A
Rol
ling
Sprin
g Pr
obe:
OD
264
-290
mm
; NPS
10;
DN
254
T999
2043
8-10
0A
Rol
ling
Sprin
g Pr
obe:
OD
290
-320
mm
; NPS
11;
DN
279
T999
2043
8-11
0A
Rol
ling
Sprin
g Pr
obe:
OD
320
-350
mm
; NPS
12;
DN
305
T999
2043
8-12
0A
Rol
ling
Sprin
g Pr
obe:
OD
350
-375
mm
; NPS
14;
DN
356
T999
2043
8-14
0A
Des
crip
tion
Part
Num
ber
R
42Rol
ling
Sprin
g Pr
obe:
OD
375
-400
mm
; NPS
14;
DN
356
T999
2043
8-14
0B
Rol
ling
Sprin
g Pr
obe:
OD
400
-435
mm
; NPS
16;
DN
406
T999
2043
8-16
0A
Rol
ling
Sprin
g Pr
obe:
OD
435
-450
mm
; NPS
16;
DN
406
T999
2043
8-16
0B
Rol
ling
Sprin
g Pr
obe:
OD
450
-500
mm
; NPS
18;
DN
457
T999
2043
8-18
0A
Rol
ling
Sprin
g Pr
obe:
OD
500
-550
mm
; NPS
20;
DN
508
T999
2043
8-20
0A
Rol
ling
Sprin
g Pr
obe:
OD
550
-600
mm
; NPS
22;
DN
559
T999
2043
8-22
0A
Rol
ling
Sprin
g Pr
obe:
OD
600
-650
mm
; NPS
24;
DN
610
T999
2043
8-24
0A
Rol
ling
Sprin
g Pr
obe:
OD
650
-700
mm
; NPS
26;
DN
660
T999
2043
8-26
0A
Rol
ling
Sprin
g Pr
obe:
OD
700
-750
mm
; NPS
28;
DN
711
T999
2043
8-28
0A
Rol
ling
Sprin
g Pr
obe:
OD
750
-810
mm
; NPS
30;
DN
762
T999
2043
8-30
0A
Rol
ling
Sprin
g Pr
obe:
OD
810
-860
mm
; NPS
32;
DN
813
T999
2043
8-32
0A
Rol
ling
Sprin
g Pr
obe:
OD
860
-910
mm
; NPS
34;
DN
864
T999
2043
8-34
0A
Rol
ling
Sprin
g Pr
obe:
OD
910
-960
mm
; NPS
36;
DN
914
T999
2043
8-36
0A
Rol
ling
Sprin
g Pr
obe:
OD
960
-101
0mm
; NPS
38;
DN
965
T999
2043
8-38
0A
Rol
ling
Sprin
g Pr
obe:
OD
101
0-10
60m
m; N
PS 4
0; D
N 1
016
T999
2043
8-40
0A
Rol
ling
Sprin
g Pr
obe:
OD
106
0-11
10m
m; N
PS 4
2; D
N 1
067
T999
2043
8-42
0A
Rol
ling
Sprin
g Pr
obe:
OD
111
0-11
60m
m; N
PS 4
4; D
N 1
118
T999
2043
8-44
0A
Rol
ling
Sprin
g Pr
obe:
OD
116
0-12
10m
m; N
PS 4
6; D
N 1
168
T999
2043
8-46
0A
Rol
ling
Sprin
g Pr
obe:
OD
121
0-12
70m
m; N
PS 4
8; D
N 1
219
T999
2043
8-48
0A
Des
crip
tion
Part
Num
ber
R 43
14.4
EXT
ENSI
ON
PIE
CES
Exte
nsio
n pi
eces
allo
w th
e re
ach
of a
ll pr
obes
to b
e in
crea
sed.
Eac
h on
e re
quire
s a
coup
ling
piec
e.
Leng
thPa
rt N
umbe
r25
0mm
T236
2663
A50
0mm
T236
2663
B10
00m
mT2
3626
63C
Cou
plin
g Pi
ece
T236
2666
-An
insu
late
d pr
obe
exte
nsio
n as
sem
bly
is a
lso
avai
labl
e fo
r use
with
bru
sh p
robe
s. T
his
prob
e ex
tend
s fro
m80
0m
m to
125
0m
m (3
1.5"
to 4
9") a
nd h
as 2
m (6
' 6")
of c
able
. Sal
es P
art N
umbe
r is
T236
1559
7
Rol
ling
Sprin
g Pr
obe:
OD
127
0-13
20m
m; N
PS 5
0; D
N 1
270
T999
2043
8-50
0A
Rol
ling
Sprin
g Pr
obe:
OD
132
0-13
70m
m; N
PS 5
2; D
N 1
321
T999
2043
8-52
0A
Rol
ling
Sprin
g Pr
obe:
OD
137
0-14
25m
m; N
PS 5
4; D
N 1
372
T999
2043
8-54
0A
Des
crip
tion
Part
Num
ber
R
4414.5
OTH
ER A
CC
ESSO
RIE
SBa
nd B
rush
Pro
beT2
3626
69-
Batte
ry P
ack
T236
1555
0Ba
ttery
Cha
rger
(UK)
T236
1390
7Ba
ttery
Cha
rger
(Eur
opea
n)T2
3613
908
Batte
ry C
harg
er (1
10V
AC)
T236
1390
9C
arry
Cas
eT2
3613
541
Spar
e St
rap
for C
arry
Cas
eT2
3613
816
Out
fit C
ase
T236
1554
4H
igh
Volta
ge R
etur
n Le
ad, 2
mT2
3613
9031
Hig
h Vo
ltage
Ret
urn
Lead
, 10m
T236
1390
32Pr
obe
Han
dle
and
Lead
T236
1270
0Sp
are
Neo
n fo
r Pro
be H
andl
eT2
3615
26-
R 45
15 T
ECH
NIC
AL
SPEC
IFIC
ATI
ON
Out
put v
olta
ge:
0.5
kV to
15
kV a
djus
tabl
e0.
5kV
to 3
0kV
adj
usta
ble
Accu
racy
of v
olta
ge s
ettin
g:±5
% o
r ±0.
2kV
Dis
play
reso
lutio
n:15
kV: 0
.01
kV30
kV: 0
.1kV
Out
put c
urre
nt:
0.5
mA
max
imum
Pow
er s
uppl
y:In
tern
al re
char
geab
le b
atte
ry (n
icke
l met
al h
ydrid
e ty
pe)
Exte
rnal
rech
arge
able
bat
tery
ava
ilabl
e as
acc
esso
ry.
Batte
ry c
harg
er u
nits
:12
V ou
tput
400
mA
for 4
Ah to
5Ah
bat
tery
, 12
hour
s fo
r fu
ll ch
arge
, BS
plug
, Eur
o pl
ug o
r US
(110
V) p
lug
vers
ions
Batte
ry li
fe (d
epen
ds o
n vo
ltage
set
ting
and
num
ber o
f fa
ults
det
ecte
d):
15kV
ver
sion
>20
hou
rs30
kV v
ersi
on >
10 h
ours
Dim
ensi
ons:
W20
0mm
x L
170m
m x
D70
mm
(W8"
x L
7" x
D3"
)
Prob
e le
ad le
ngth
:2
m (6
' 6")
to e
nd o
f pro
be h
andl
e
Earth
lead
leng
th:
10m
(32'
6")
Wei
ght:
2.8
kg (6
lb 3
oz) i
nclu
ding
car
ry c
ase
and
band
bru
sh
prob
e
R
46The
inst
rum
ent i
s pa
cked
in a
car
dboa
rd a
nd fo
am p
acka
ge. P
leas
e en
sure
that
this
pac
kagi
ng is
dis
pose
dof
in a
n en
viro
nmen
tally
sen
sitiv
e m
anne
r. C
onsu
lt yo
ur lo
cal E
nviro
nmen
tal A
utho
rity
for f
urth
er g
uida
nce.
16 R
ELA
TED
EQ
UIP
MEN
T
In a
dditi
on to
the
Elco
met
er 2
36 D
C H
olid
ay D
etec
tor,
Elco
met
er p
rodu
ces
a w
ide
rang
e of
oth
er e
quip
men
tfo
r tes
ting
and
mea
surin
g th
e ch
arac
teris
tics
of c
oatin
gs. U
sers
of t
he E
lcom
eter
236
DC
Hol
iday
Det
ecto
rm
ay a
lso
bene
fit fr
om th
e fo
llow
ing
Elco
met
er p
rodu
cts:
•El
com
eter
266
DC
Hol
iday
Det
ecto
r•
Elco
met
er 2
70 P
inho
le D
etec
tor
•El
com
eter
Insp
ectio
n Ki
ts•
Elco
met
er In
spec
tion
Man
uals
For f
urth
er in
form
atio
n co
ntac
t Elc
omet
er, y
our l
ocal
sup
plie
r or v
isit
ww
w.e
lcom
eter
.com
Hol
iday
ala
rm in
dica
tions
:Vi
sual
- neo
n in
pro
be h
andl
e.- i
ndic
ator
on
inst
rum
ent f
ront
pan
el.
Audi
ble
Dig
ital d
ispl
ayLC
D, 1
2.5
mm
(0.5
") d
igit
heig
ht
