VECTOR MULTI-METER

(Color LCD)

MODEL：CDM-330C

Drastic improvement of original Vector Multimeter(Model: CDM-330)is realized with high speed measuring ａｎｄ very bright color display.

（Whole of existing options are available with model:CDM-330C）

○Versatile measuring functions can meet various needs.

AC voltage, current, phase, frequency, active power, reactive power, power factor

and DC voltage, ・・・・・ As a standard.

3-phase current, DC current, time, phase between each voltage and data printing ・・・・・ with Options.

○Simultaneous display of measured values and required data can be seen at the same time.

Voltage, current, phase, and frequency, or active power, apparent power, reactive power and

ｐower factor.

○Measured value and waveform displays as well as measured value and vector displays available.

Waveform display indicates peak value also, so very much useful for data check.

○Available to analyze harmonics.

Analysing harmonics of Voltage and Current and display both by numerical and graph.

○Various options available to expand application.

PC13-03-07_2

1

○Color display with a clear indication even in dark environment. ○High speed updating time of measurement. ○Approximately 6 and half hours of battery life with continuous use. ○Function of date format installed additionally. ○Whole of OPTIONS for former model (CDM-330)available to apply. ○Measuring current by clamp CT realizes ｒｅｌｉａｂｌｅ and safety measurement without disconnecting the current circuit. ○Enough functions and capability by its own, however, together with Options much more functional capability is increased as follows: ・ Measurement of 3-phase AC current and its phase angles(CT-03BU） ・ Measurement of DC current by the DC clamp CT（DCT-23） ・ Time measurement（MCS-330） ・ Measurement of phase between voltage and voltage（CAD-230 or CAD-240） ・ Data print-out（PR-332）

Specifications

VECTOR MULTI-METER “Color” Model CDM-330C PERFORMS：

2

Power Supply LR6 alkaline type dry battery × 8 pcs. Battery life 6 hours approx.(continuous)

Dielectric Strength For 1 min. between the case and input terminal at 2000VAC, 50/60Hz

Operating temperature range

Operating humidity range

0～40℃

20～95%（Without condensation）

Display Unit(LCD)

Bit format： 320×240 dots Display area： 52×68mm

Display details

Standard ①Measured-value display (voltage, current, phase angle, and frequency)

②Measured value + input waveform displays

③Measured value + input vector diagram displays

④Active power, apparent power, reactive power and power factor displays

With Option ①Single-phase voltage, 3-phase current and phase angle displays

②Single-phase voltage, 3-phase current and phase-angle vector displays

③Display of phase angle between each voltage

④Time measured-value + Timing chart

Input

No. of input channels: 2 channels (basic)

With the option (CT-03BU)： 4channels

Input impedance Voltage： ａｐｐｒｏｘ．1MΩ， Current： Zero burden type

A/D Converter Resolution： 14bits（High-speed successive comparison type）

Sampling method： Simultaneous REF／INPUTsampling

Display Updating Time DC measurement： approx 0.1sec, AC measurement： approx 0.3sec

Clock Year, month, day, hour, min. and sec. With backup battery（designed life： 10 years approx.）

Dimensions／Weight Main body： W=100 H=225 D=70 mm ／ 750g(with batteries ×8)

With soft case： W=180 H=235 D=75 mm ／ 1250g

Clamp CT Specifications（ＣＴ－２５Ｃ） Rated Primary Current： 20A

Rated Secondary Current: 10mA

Window diameter： 25mm

Dimensions： 64(W)×165(H)mm

110.0Ｖ

5.000Ａ

30°

50.0Ｈｚ

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ Ｖ Ｉ Φ Ｆ

AC Voltage AC Current AC Power DC Voltage DC Current Note2 DC Power Note2

Measuring Method

Digital processing

�(ΣＶi2)／Ｎ �(ΣＡi2)／Ｎ (ΣVi･ΣAi)／Ｎ ΣVi／Ｎ ΣAi／Ｎ (ΣVi･ΣAi)／Ｎ

Range (Auto／Manual)

1.5/15/150/300 (V)

0.01/0.1/1/5/20 (A)

0.01W～10kW (Ｄｅｐｅｎｄｉｎｇ ｏｎ voltage

/current range)

1.5/15/150/300 (V)

20/200 (A)

10W～100kW (Ｄｅｐｅｎｄｉｎｇ ｏｎ voltage

/current range)

Frequency Range 45～65Hz ―――――――

Accuracy Note1 ±0.5％ of range

(10 to 120% of

range)

0.1/1/5/20(A) ±1.0% of range 10mA range ±2.0% of range

(10 to 120% of

range)

0.1/1/5/20(A) ±1.5% of range 10mA range ±2.5% of range

(10 to 120% of

range)

15/150/300(V) ±0.5% of rang 1.5V range ±0.5% of range

±5 digit

(10 to 120% of

range)

±3.0% of range (10 to 120% of

range)

±4.0% of range (10 to 120% of

range)

Power Factor Influence

――――――― ――――――― ±2.5% of range at COSφ＝0.5

―――――――

Phase Angle Frequency

Measuring Method Digital processing

Range 0～359.9°（Display of INPUT Lag angle against REF） 1.5/15/150/300(V) 0.01/0.1/1/5/20(A)

(Auto／Manual)

Accuracy

○Current 0.1/1/5/20(A)Range： 20%～120% ±3°

Less than 20% ～ 10% ±4° 10mA Range：100% ～ 120% ±5° Adding ±1°every 1mA decrease

Minimum phase angle measuring input current 2mA ○Voltage： 1.5/15/150/300(V) 30%～120%： Within these scopes, accuracy of phase angle

against the current in each range is assured. (When using within these scope of % no

consideration for voltage character is

required) 10%～30%under： Adding ±1°on measuring accuracy (When

using less than 30% of input voltage value

per each range against the current）

±0.1% of rdg (at 100% of range)

Note1： By all of sine wave inputs with using “AVG” key. Note2： When DC clamp CT(DCT-23) of option is used.

Apparent Power Reactive Power Power Factor

Computing

Equation Vrms・Arms ��Ｖｒｍｓ・Ａｒｍｓ�2ーＷ2 W／Vrms・Arms

Computing

Accuracy 1digit of displayed value

Accuracy Depending on measuring function

Harmonic Analysis

Display method Analyze harmonics of voltage and current, displayed by numerical value and graphic.

Harmonic analysing order 2nd～15th

Measuring range 0.15～360V，1mA～24A(AUTO range)

Analysing time 0.5 second approx.

Resolution 0.1%

Measuring accuracy of distortion factor

per each harmonic

Less than -2digits at 10.0% from 2nd to 5th harmonics.

From 6th to 15th harmonics, -3digits are added per one harmonic is increased.

（For example： 5th： 9.8%～9.9% 10th： 9.2%～9.7% 15th： 7.5%～7.8%)

3

4

Display Examples

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ

110.0Ｖ

5.000Ａ

30°

50.0Ｈｚ

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ Ｖ Ｉ Φ Ｆ

V1.228V

Φ178.5°

I7.67mA

V

I

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ ＣＴ－０３ＢＵ

V

I2

V110.1VI1

5.003A30°

I25.003A

150°

I35.006A

270°

I1

I3

HOLD ON OFFX-AXIS 30mS 300mS 3SV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ SAMPLE=100uS

V100.1

Φ359°

I5.2mA

0 10 20 30(mS)

X-AXIS 10mS 100mS 1S 10S 100SSTATUS STAND-BY BUSY END ATMODE INTERVAL ONE-SHOT TRAIN AT

BAT. 10 DEC. 2012 00:00:00

ＭＣＳ

0 100(mS)

ＴＩＭＥ ３７．０ｍＳ

■Basic Display（Ｖ、Ｉ、φ、Ｆ） ■1-Phase Vector Display ■3-phase Vector Display(with option)

■Waveform Display（Ｖ、Ｉ）

■Time Measurement with the time

counter module of option

■Harmonic analysis（Voltage）Graphic ■Harmonic analysis（Current）Graphic

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ Ｖ ＨＡＲＭ

■Harmonic analysis（voltage）

f % f %1 100.0 9 0.32 0.2 10 0.13 11.4 11 0.04 0.2 12 0.15 6.2 13 0.16 0.0 14 0.17 3.2 15 0.18 0.1

■Harmonic analysis（Current）

Distortion Factor 13.3%V Harmonic

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ Ｉ ＨＡＲＭ

f % f %1 100.0 9 0.32 0.1 10 0.13 11.4 11 0.24 0.1 12 0.25 5.8 13 0.16 0.2 14 0.17 3.3 15 0.28 0.2

Distortion Factor 13.2%I Harmonic

START

STOP

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

BAT. 10 DEC. 2012 00:00:00

ＡＣ Ｖ ＨＡＲＭ

Distortion Factor 13.3%V Harmonic

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A ATＡＣ Ｉ ＨＡＲＭ

Distortion Factor 13.2%I Harmonic

1 5 7 9 11 133 15f0.1

1

10

100%

1 5 7 9 11 133 15f0.1

1

10

100%

BAT. 10 DEC. 2012 00:00:00

Option

■DC Clamp CT, Model DCT-23

Clamp CT to measure DC current.

Ｓｅｔｔｉｎｇ Position Connected to CDM-330C Measuring Range 2 to 200A （20A／200A Range） Measuring Accuracy ±3% of range（Applicable 10 to 100% of range）

Built-in Cell Button shaped battery (Type:LR44) ２ pcs

Life： approx 30hours

■Voltage-Phase Module, Model CAD-230／CAD-240 Module to measure phase angle between voltage and voltage, also voltage value at REF side.

Ｓｅｔｔｉｎｇ Position CDM-330C soft case TU-330 or TU-331B Measuring Range CAD-230： AC60 to 120V CAD-240： AC50 to 450V ※

Measuring Accuracy CAD-230： ±3°(For sine wave) CAD-240： ±5°(For sine wave)

※ In accordance with the range of CDM-330C, voltage up to 360V available to measure, though voltage input to

CAD-240 available up to 450V.

■AC Clamp CT, Model CT-25C and CT-23B

Model ＣＴ-２５Ｃ ＣＴ-２３Ｂ

Function

1 pc of CT-25C is included in CDM-330C, as

a standard accessory.

As a spare application. Compatible with

CT-25B(For CDM-230B).

Neck is bended to 90°

Durable type

Impossible to bend the neck

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■AC Adaptor, Model ACA-332 For AC power operation of CDM-330C.

Voltage 90～264V AC power supply ※ Discontinued AC Adaptor model ACA-330 and/or 331 are available for CDM-330C.

■ＣＴ selector Module, Model CT-03BU

For displaying 4-element numeric values of 3-phase current and reference input and a vector diagram by

Using 3 clamp CT(CT-25C)

Ｓｅｔｔｉｎｇ Position Mother Unit（TU-330）,（TU-331B）

Built into mother unit TU-331B already

3-phase Current Measuring method CT input is selected by analog switch automatically Current Range Same as current measuring input of CDM-330C.

Measuring Accuracy

Current： 20A to 0.1A range: ±1.0% of range

10mA range: ±10 digit (REAL)

(Applicable 10 to 120% of range)

Phase： ±5°（0.1 to 20A range, 20 to 120%）, 0.1～20A ±6°（10mArange, 100 to 120%）

Input Burden Zero burden type（With built-in error compensation circuit） Frequency Range 45 to 65Hz Connection with vector multimeter Connected via connectors（TU-330） Accessory Clamp CT CT-25C × 2pcs

■Printer Module, Model PR-332 (For TU-330) High-speed monochrome printer used to print displays on the screen of the CDM.

Ｓｅｔｔｉｎｇ Position Mother Unit（TU-330） Printing Method Thermosensible line head type Printing time of Displays on one screen

Approx. 10sec.

Printing Paper Size Paper width: 58mm Outside dimension: 30mm Roll length:9m

6

40mm

31.5mm

Ful l -SCALE SI ZE

HOLD ON OFFAVERAGE ON OFFV-RANGE 1.5V 15V 150V 300V ATI-RANGE 10mA 100mA 1A 5A 20A AT

10 DEC. 2012 00:00:00

ＡＣ

V1.228V

Φ178.5°

I7.67mA

V

I

■Time Counter Module, Model MCS-330 (For TU-330)

Module for measuring time. Both START and STOP are corresponding to CONTACT / DC / AC

Ｓｅｔｔｉｎｇ Position Mother Unit（TU-330）

Measuring range 0.0ms to 999.9s 4digits, automatic carry Input Terminal For both START and STOP： 1 set（CONTACT/DC/AC)

Input Signal No-voltage contact： MAKE/BREAK available for both

DC voltage： 5～250V IMPRESS/ELIMINATE available for both

AC voltage： 20～250V IMPRESS/ELIMINATE available for both

Input Impedance No-voltage contact： Approx 1kΩ（+12V pull up） DC voltage： Approx 100kΩ AC voltage： Approx 100kΩ

Measuring Accuracy CONTACT/DC： ±（1digit＋200μs） AC： ±（1digit＋5ms） ■Mother Unit, Model TU-331B

・CT selector module CT-03BU for measuring 3-phase current and

phase angle is built-in.

・Small mother unit is possible to contain not only CDM-330C but also

voltage-phase module model CAD-230 or CAD-240.

・2 pcs of Clamp CT model CT-25C is included as a standard accessory.

※Please refer “How to place an order” on the last page of this

catalog.

Dimension: 245（W）×90（H）×250（D）mm

■Mother Unit, Model TU-330

・Large mother unit is possible to contain CDM-330C and many of

options.

・Printer module(PR-332) and time counter module (MCS-330) are

designed to apply solely in this large mother unit of TU-330.

※Please refer “How to place an order” on the last page of this

catalog.

Dimension: 400（W）×170（H）×300（D）mm

■Optional Storage Case TU-333

・Extra space for working tools, instruction manual are secured in

addition to the space for CDM-330C, CAD-230, CAD-240, ACA-332

and etc.

※Soft carrying case is provided to CDM-330C as a standard

accessory.

Inside Dimension: 295（W）×234（H）×95（D）mm

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1. Basic set of CDM-330C Consisting of: Main body 1 pc Soft carrying case 1 pc※ AC clamp CT(CT-25C) 1 pc Voltage lead wire(red & black)@1m(L)×1 set LR6 Alkaline dry battery ×8 pcs ※Size of soft carrying case is designed larger than original (for CDM-330)type. So possible to contain CAD-230(or CAD-240), ACA-332 and ｅｔｃ．

2. Small mother unit TU-33１B for 3-phase current and phase angle measurement. Consisting of: Main body 1 pc (CT selector module CT-03BU is built-in) AC clamp CT(CT-25C) 2 pcs Required model to purchase additionally: Vector Multi-meter(CDM-330C)※ 1 pc Voltage-phase module(CAD-230 or CAD-240) 1 pc ※2 pcs of clamp being included in TU-331B and 1 pc of clamp included in CDM-330C can realize measuring 3-phase AC with total 3 pcs of clamp CT(CT-25C)

3. Large mother unit TU-330 can contain whole of OPTIONS.

Consisting of: Main body 1pc Required model to purchase additionally: Vector Multi-meter(CDM-330C) 1 set CT Selector Module(CT-03BU) 1 set ※ Voltage-phase module(CAD-230 or CAD-240) 1 pc DC clamp CT(DCT-23) 1 pc AC Adaptor(ACA-332) 1 pc Printer module(PR-332) 1 pc ※※ Time counter module(MCS-330) 1 pc ※※ ※２ pcs of clamp CT(CT-25C)is included as a standard accessory, and this module is designed solely for TU-330. ※※This module is designe solely for TU-330

Basic Set and “How to place an order”

8

OTA Techno CORE No.301 6-4-17, Higashikoujiya, Ota-ku, Tokyo-to, 144-0033 Japan TEL +81-3-6423-8122 FAX +81-3-6423-8123

E-mail:dtec@densokutechno.co.jp

URL http://www.densokutechno.co.jp/

distributor