DM-II PLUS - Amprobe - Product.Network

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Amprobe® Test Tools

Data Sheet

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DM-II Plus

Power Quality Recorder

AC Current up to 1000A, AC Voltage, Active, Reactive and ■

Apparent Power, Energy, Peak Demand & Power Factor

All readings are True RMS

■

5 built-in selectable languages: English, French, Italian, ■

German and Spanish

User selectable rates allow recording from one hour to

■

several months

Works with single & three phase systems (Y & delta)

■

Readings and charts can be viewed on the DM-II LCD screen ■

or downloaded to a PC

Capable of recording all parameters (single or three phase)

■

simultaneously

Optional transducers available for 100A and 3000A (ﬂexible)

■

current capability.

Amprobe’s DM-II PLUS is a full-featured three phase

power quality recorder to maintain, diagnose and

troubleshoot electrical systems. It measures and records

a broad spectrum of power quality parameters. Easy

to use, it’s capable of measuring and recording voltage,

current, voltage anomalies (sags or surges), harmon-

ics, energy and power (active, reactive and apparent),

power factor (true and displacement), and frequency.

This unique product comes as a complete kit with current

transducers and an increased memory size for data

storage, larger display size, and real-time downloading

using Amprobe’s unique Download Suite software.

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Data Sheet

DM-II Plus Power Quality Recorder

General Specifications

Speciﬁcations Accuracy 73°F± 2°F (23°C ± 1°C) with relative humidity < 75%

Voltage measurement (Autoranging)

Range Accuracy Resolution Input impedance

15-370V ±(0.5% + 2 digit) 0.2V 300kW (phase-neutral)

310-635V ±(0.5% + 2 digit) 0.4V 600kW (phase-phase)

Voltage Anomalies Detection (Manual Selection of Range)

Voltage

Range Accuracy Resolution Input impedance

15-370V ±(0.5% + 2 digit) 0.2V 300kW (phase-neutral)

30-635V ±(0.5% + 2 digit) 0.4V 600kW (phase-phase)

Current measurement (DM-II Plus only)

Range Accuracy Resolution Input impedance Protection against overloads

0.005-0.26V ±(0.5%+2digit) 0.0001V 100kW 5V 0.26-1V 0.0004V

Current measurement (Using DM-CT-HTA)

Range Accuracy Resolution Protection against overloads

5 to 1000 A ±(1.5% of range) 0.1 A 600 V

Minimal Current measurable is equal to 1.5% of Clamp Full Scale

Mechanical Features

Dimensions: 444.5(L) x 273.05(La) x 190.5(H) mm

17.50”(L) x 10.75” (La) x 7.50”(H)

Weight: 11.5 Lb (5.2kg)

Internal power supply: 6 batteries 1.5V D size NEDA 13A, IEC L20R

Battery Life: 22 hours

External power supply Use only Amprobe power supply Adapter code DMT-EXTPS.

Display: dot matrix with backlight

resolution 128 x 128 dots (16384 dots)

dot size 0.5mm x 0.5mm

visible area 73mm x 73mm (2.9” x 2.9”)

No. of samples per period 128

Clamp:

Opening: 53 mm (2.15”)

Maximum diameter of the cable: 50 mm (2.00”)

Reference temperature: 23°C ± 1°C (73°F ± 2°F)

Operating temperature: 0°C to 50 °C (32°F to 122°F)

Relative humidity: <70%

Storage temperature: -10°C to 60 °C (14°F to 140°F)

Storage humidity: <80%

Location: Indoor operation, < 2000 m

EMC/EMI/ESD EN61326-1:2006

Safety

The instrument complies to the standards: EN 61010-1 :2002

Insulation: Class 2 / Pollution Degree 2

Over-voltage category: CAT III 370V~ (Phase-Earth)

CAT III 635V~ (Phase-Phase)

Clamps: IEC 61010-2-032 Ed. 2.0

Phase Sequence Detection: EN 61557-7:2003

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Data Sheet

DM-II Plus Power Quality Recorder

Speciﬁcations, cont.

Current measurement (Using AM-FLEX 33)

Range Accuracy Resolution Protection against overloads

15 to 3000 A ±(1.5% of range) 0.1 A 600 V

Minimal Current measurable is equal to 1.5% of Clamp Full Scale

Power measurement (cos : 0.5c[positive] – 0.5i[negative])

Value Ranges Accuracy Resolution

Active power 0 – 999.9W ±(1.5% + 2 digit) 0.1W

1kW – 999.9kW ±(1.5% + 2 digit) 0.1kW

1MW – 999.9MW ±(1.5% + 2 digit) 0.1MW

Reactive power 0 – 999.9VAR ±(1.5% + 2 digit) 0.1VAR

1kVAR – 999.9kVAR ±(1.5% + 2 digit) 0.1kVAR

1MVAR – 999.9MVAR ±(1.5% + 2 digit) 0.1MVAR

Apparent power 0 – 999.9VA ±(1.5% + 2 digit) 0.1VA

1kVA – 999.9kVA ±(1.5% + 2 digit) 0.1kVA

1MVA – 999.9MVA ±(1.5% + 2 digit) 0.1MVA

Active energy 0 – 999.9Wh ±(1.5% + 2 digit) 0.1Wh

1kWh – 999.9kWh ±(1.5% + 2 digit) 0.1kWh

1MWh – 999.9MWh ±(1.5% + 2 digit) 0.1MWh

Reactive energy 0 – 999.9VARh ±(1.5% + 2 digit) 0.1VARh

1kVARh – 999.9kVARh ±(1.5% + 2 digit) 0.1kVARh

1MVARh – 999.9MVARh ±(1.5% + 2 digit) 0.1MVARh

Cos measurement

Cos Resolution Accuracy (expressed in degrees)

0 to 0.20 0.01 0.6

0.21 to 0.50 0.01 0.7

0.51 to 0.80 0.01 1

Measurement of Harmonics

Voltage

Range Accuracy Resolution

DC – 25h ±(5.0% + 2 digit) 0.1V

26h – 33h ±(10.0% + 2 digit) 0.1V

34h – 49h ±(15.0% + 2 digit) 0.1V

The voltage harmonics will be null under the following threshold:

- DC: if <1V or <2% of 1st harmonic

- 1st harmonic: if <2V

- 2nd to 49th: if <1V or <2% 1st harmonic

Current

Range Accuracy Resolution

DC – 25h ±(5.0% + 2 digit) 0.1A

26h – 33h ±(10.0% + 2 digit) 0.1A

34h – 49h ±(15.0% + 2 digit) 0.1A

The current harmonics will be null under the following threshold:

- DC: if <2% of 1st harmonic or < 0,2% of clamp full scale

- 1st harmonic: if < 0.2% of clamp full scale

- 2nd to 49th: if<2% 1st harmonic or < 0.2% of clamp full scale

Setting the FLEX option the DC component will be ignored.

Frequency Measurement

Instrument set to 50Hz

Range Resolution Accuracy

47 to 53 0.1Hz ±(1.0% + 1 digit)

Instrument set to 60Hz

Range Resolution Accuracy

57 to 63.6 0.1Hz ±(1.0% + 1 digit)

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Amprobe® Test Tools

Data Sheet

Amprobe® Test Tools

website: www.Amprobe.com

email: info@amprobe.com

Everett, WA 98203

tel: 877-AMPROBE

Amprobe® Test Tools Europe

In den Engematten 14

79286 Glottertal, Germany

Tel.: +49 (0) 7684 8009 - 0

2/2008 3306952 Rev A

DM-II Plus Power Quality Recorder

Included Accessories

DMT-EXTPS External power supply 12VDC

DM-CT-HT (code 1 pcs) 3 clamp meters 1000A/1V

KITENERGY3 4 cables and alligators for

voltage measurement

Download Suite 2.2 1 Amprobe Custom Software CD

C232NG1 Serial Cable

Optional Accessories

AM-FLEX33 Flexible current transducer, 3000 A

DM-CT-100 Current transducer, 100A