company logo Amprobe DM-II PLUS
Power Quality Recorder
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Amprobe DM-II PLUS
Power Quality Recorder



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 Amprobe DM-II PLUS


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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.

Included Accessories:
  • External power supply 12VDC
  • (code 1 pcs) 3 clamp meters 1000A/1V
  • 4 cables and alligators for voltage measurement
  • 1 Amprobe Custom Software CD
  • Serial Cable
  • Hard Case

Optional Accessories:
  • Flexible current transducer, 3000 A (AM-FLEX33)
  • Current transducer, 100A (DM-CT-100)


  Description

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), harmonics, 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.


  Models, Options, & Accessories


Model Description List Price Sale Price
DM-II PLUS DIGITAL RECORDER/DATA LOGGER $3249.95
$2827.46 
Model Accessories List Price Sale Price
AM-FLEX33 FLEXIBLE CLAMP $249.95
$217.46 
DM-CT-100 Please call or email us for pricing and availability.
Model Replacement Parts List Price Sale Price
DMT-EXTPS DM-III & MT-2000 EXTERNAL POWER SUPPLY 12VDC $54.95
$47.81 
DM-CT-HT AmprobeDM-CT-HT - Discontinued - replaced by Amprobe DM-CT-HTA
KITENERGY3 DM-III TEST LEADS & ALLIGATOR CLIPS (SET OF 4) $69.95
$60.86 
C232NG1 CABLE SPECIAL DOWNLOAD - Discontinued - no replacement


  Specifications

Mechanical Features
Dimensions 444.5(L) x 273.05(La) x 190.5(H) mm 17.50”(L) x 10.75” (La) x .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

Electrical 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
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
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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