Datasheet :
DM-4
Amprobe DM-4 Power Quality Recorder Analyzer Description:
Amprobe DM-4 Power Quality Recorder Analyzer is the newest tester that addresses the needs of the most demanding Power Quality professionals.
Amprobe DM 4 incorporates full set of measuring features crucial for complete Power Quality analysis.
An innovative Remote User interface (PDA) allows safe, easy and convenient operation of the device remotely.
The Remote User Interface (PDA) is also used for data viewing, analysis and transfer.
Independently, the Amprobe DM4 can be used directly with the PC type of computer.
Since the DM-4 does not have any control buttons on its enclosure, it is protected against setup changes by unauthorized persons while the device is recording.
Amprobe DM-4 Power Quality Recorder Analyzer Characteristics:
True RMS (TRMS)
Extremely easy to setup and operate
Comes as a complete kit: carrying case, CTs, test leads, PC
software & download cable, Remote User Interface (PDA) w/ protective
hard case and interface cable are included with product
Rugged Remote User Interface with memory for easy data
downloads in the field and increased safety
Works with single (two and three wire) and three phase
systems (Y and Delta)
Detects and records voltage spikes 100 nS or slower
Detects and records voltage Sags and Surges
Built in scope displays waveforms
Records all parameters (single or three phase) simultaneously
Manual and programmable recording start
Selectable fundamental frequency of 50 or 60 Hz
Special data compression system and user selectable rates allow
recording from several hours to several years
Download capabilities with PC (Windows compatible software) or
PDA (Palm OS)
Line or battery powered
Amprobe DM-4 Power Quality Recorder Analyzer Features:
Safety:
CATIII, 600V
Supplied Current Transducer:
1000A Standard CT, 2” internal diameter CT
AC Current:
Standard CT (DM-CT-HTA): 5 - 1000A or optional Small size CT (DM-CT-100): 1A – 100A
Accuracy:
Input accuracy: +/-(2% Rdg + 2 LSD)
AC Voltage including Sags and Surges:
From 20V – to 1000V
Accuracy: +/-(3% Rdg + 2 LSD)
Voltage Transients:
200-6000Vpp; Duration > 100nS
Accuracy:
±10% Rdg
Harmonics (Voltage and Current):
THD, DC and individual up to 51th
Accuracy:
+/-(5% Rdg + 2 LSD) @ DC to 25 harmonics**
Power:
Working (W), Reactive (VAR) and Apparent (VA)
Accuracy:
+/-(3.0% Rdg + 2 LSD)
Energy:
Working (kWh), Reactive (VARh) and Apparent (VAh)
Peak Demand:
KW
Power Factor (True and Displacement):
0.00 – 1.00
Accuracy:
+/-3%
Phase sequence:
1 - 2 – 3
Selectable Fundamental Frequencies:
50/60 Hz
Available Recording Time:
Several hours to several years depending on setup
Amprobe DM-4 Power Quality Recorder Analyzer Specifications:
13.1.7 Temperature Drift
Temperature drift: 0.1 x accuracy/K
13.1.8 Safety
Insulation: Class 2; Pollution: 2; Over-voltage category: CAT III 600V~ (Phase-phase; CAT II 1000V~ (Phase-Phase)
Mechanical Features:
Dimensions: 8.9” (L) x 4.1” (W) x 2.1” (H)
225(L) x 104(W) x 54(H) mm
Weight:
3.3 Lb (1.5kg)
Internal Power Supply:
8 batteries 1.5V series AA
Battery Life:
3-hours
External Power Supply:
Use only Amprobe power supply
Adapter code DM4EXTPS
Sampling Speed:
83.33 usec at 60Hz.
No. of Samples Per Period:
128
Clamp:
Opening: 2.15” (53 mm); Maximum Diameter of The Cable: 2.00” (50 mm)
Environment Operating Conditions:
Reference Temperature: 73°F ± 2°F (23°C ± 1°C)
Operating Temperature: 32°F to 122°F (0°C to 50 °C)
Relative Humidity: <70%
Storage Temperature: 14°F to 140°F (-10°C to 60 °C)
Storage Humidity: <80%
Amprobe DM-4 Power Quality Recorder Analyzer Accessories Optional:
100A Compact Clamp (0.5A to 100A):
Part Number: DM-CT-100
USB-RS-232 Adapter:
Part Number: RS-USB
Remote user interface protective case:
Part Number: DM-4CASE
Optional test lead accessories:
MTL-90B, MTL-100 Series (100 to
106), MTL-500, MTL-501 and VRC-320
Amprobe DM-4 Power Quality Recorder Analyzer Characteristics:
Replacement Parts supplied with product:
1000A Clamp:
Part Number: DM-CT-HTA
Remote user interface (PDA) with connection cables
Part Number: Recommended Tungsten E2
ordered through PALM retailers, visit palm.com for details
Soft Carrying case:
Part Number:HW1254A
External power supply 12VDC:
DMT-EXTPS
Test leads and alligator clips (set of 4):
Part Number: KITENERGY3
PDA/DM-4 Interface Cable:
Part Number: RS-PDA
RS-232 Computer Cable:
Part Number: RS-232
PC Windows Software
Palm OS Software
Instruction Manual
Need Technical Advise? Please Call: 602-795-8292
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