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MANUAL

DUOYI

DY4300B

4-TERMINAL EARTH RESISTANCE TESTER

AND SOIL RESISTIVITY TESTER

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The circuit from the service drop the serviceentrance, and to the power meter and primaryovercurrent protection device(distribution panel)

CAT.IV

CAT.III

Primary electrical circuits of the equipment

connected directly to the distribution panel,and feeders from the distribution panel to outlets.

Instrument with double or reinforced insulation.

User must refer to the explanations in

the instruction manual.

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Function Range Resolution Measuring Range Accuracy

Earth Resistance

Re(Rg atr

measurement)

2W

20W

200W

2000W

20kW

0.001W

0.01W

0.1W

1W

10W

200kW100W

0.05~20.99W

0.5~209.9W

5~2099W

50~20.99KW

500~209.9KW

0.05~2.099W3%rdg0.05W

3%rdg5rdg

Auxiliary

Earth Resistance

Rh, Rs8% of Re+Rh+Rs

Earth Resistivityr

20W

200W

2000W

20kW

200kW

2W

0 .1 m~W1 mW

Auto ranging

0 . 3~395 . 6 mW

0 . 3~ 39 56 mW

0 . 3~39. 56k mW

0 . 3~395 . 6k mW

0 . 3~1999k mW

=r2 x II x a x Rg

Series Interference

Voltage

Ust(A.C only)

50V 0.1V 0~50.9Vrms2%rdg.2dgt(50~60Hz)

Frequency FstAuto-ranging 0.5Hz 40Hz~500Hz

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Marks and Message Details

Battery voltage is low. Replace the batteries.BATT

Batt Error

This mark is being displayed during a measurment.

Measuring range for the selected Range is exceeded.

In case of Ust measurments, 50V or more is detedted.OL

Measuring...

Failed to make successful mesurements---Rk is exceeded the limit value;exceeding 2W at 2 Range

and exceeding 9W a t 20 or lower.Rh>limit

Setting for Rk can be made at 20W o r lower.Rangelimit

Rs>limit

No saved data exists.No Saved data

Memory is full. No more data can saved.Memory Full

A confirmation message before deleting the selected.Delete This Item?

Delete All Item? A confirmation message before deleting all selected.

Data Succed Delete All items have been deleted.

Nxxx is a memory no.,and the left mes sage saying 95 data

have been stored.(Displayed at the Data Review Screen.)NO03/095

No03Indicating the measured result is saved

with Memory NO. 003.

S005The character S stands for Site.

Selectable from 000 to 999.

Saved Data is successfully saved.

.20RWe

.100RWe

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1415

5~

10m

5~

10m

Yellow

auxiliary earth spikes

TESTMENU

ESSNTVEER

C3 V I I

E HS

Rx

Green

Red

Grounded

Electrodeto test

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5~

10m

5~

10m

Yellow

Black

ES

auxiliary earth spikes

TESTMENU

ESSNTVEER

C3 VI I I

E HS

Rx

Green

Red

Grounded

Electrode

to test

TESTMENU

ESSNTVEER

C3 V I I I

E HS

Rx re

Secondary side Pr imary Side

Green

Red

Supply Transfomer

be sure to check

grounded side of a commercial

power supply

Where earth for mains supply is usedGrounded

Electrode

to test

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BlackYellow

Green

TESTMENU

ESSNTVEER

C3 V I I

E HS

Red

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