Amprobe DM-4
Advanced Digital Power Quality Recorder / Datalogger
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The DM-4 addresses the needs of
the most demanding Power Quality professionals.
 The
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 DM-4 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.
Features:
-
 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)
with 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
- Spec
Sheet (PDF file)
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Specifications: |
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Supplied Current Transducer: |
1000A
Standard CT, 2” internal diameter CT, Input accuracy: +/-(2%
Rdg + 2 LSD) |
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AC Current: |
Standard
CT (DM-CT-HTA): 5 - 1000A Or optional Small size CT
(DM-CT-100): 1A – 100A , Input accuracy: +/-(2% Rdg + 2 LSD) |
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AC Voltage including Sags and Surges: |
From 20V
– to 1000V, Accuracy: +/-(3% Rdg + 2 LSD) |
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Voltage Transients: |
200-6000Vpp Duration > 100nS , Accuracy: ±10% Rdg |
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Harmonics (Voltage and Current): |
THD, DC
and individual up to 51th, Accuracy: +/-(5% Rdg + 2 LSD) @ DC
to 25 harmonics** |
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Power: |
Working
(W), Reactive (VAR) and Apparent (VA) , Accuracy: +/-(3.0% Rdg
+ 2 LSD) |
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Energy: |
Working
(kWh), Reactive (VARh) and Apparent (VAh), Accuracy: +/-(3.0%
Rdg + 2 LSD) |
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Peak Demand: |
KW),
Accuracy: +/-(3.0% Rdg + 2 LSD) |
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Power Factor (True and Displacement) : |
0.00 –
1.00 Accuracy:+/-3% |
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Phase sequence: |
1 - 2 - 3 |
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Selectable Fundamental Frequencies: |
50/60 Hz |
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Available Recording Time: |
Several
hours to several years depending on setup |
See:
Amprobe Power Quality
Recorder Comparison
Chart |
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Ordering Information: |
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AM-DM-4 |
Power Quality Recorder |
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Optional Accessories: |
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AM-DM-CT-100 |
100A Compact Current Transducer (0.5A to 100A)
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RC-AM-RS-USB |
USB
to RS-232 Adapter |
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Quality
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