Amprobe DM-III Multitest Power Quality Recorder/Analyzer Data Logger

The Amprobe DM-III Multitest Power Quality Analyzer/ Data Logger is Amprobe’s full-featured Three-Phase Power Quality Recorder providing the essential functions and capabilities required to operate accurately and effectively in today’s demanding electrical environments.

• True RMS (TRMS)
• Measures and Records Broad Spectrum of Power Quality Parameters: AC Current, AC Voltage to 600V including Sags and Surges, Harmonics (THD and individual up to 49th), Active, Reactive and Apparent Power & Energy, Peak Demand, Power Factor, Frequency measurement, Phase sequence
• Compatible with wide range of Current Transducers
• Comes as a complete kit: CTs, Voltage Leads, Ground Probes & Leads, PC software and download cable are included with this product.
• Works with single and three phase systems (Y and Delta)
• Detects and records voltage anomalies, Sags and Surges
• Built in scope displays waveforms
• Phase sequence indication
• Records up to 64 parameters (single or three phase) simultaneously
• Manual and programmable recording start
• Password protection
• 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, Windows compatible PC software
• Displacement power factor for power factor correction determination
• Line or battery powered
• Megohmmeter functions: Tests insulation of wires, cables, transformers and electrical motors
• Selectable test voltages up to 1000V
• Programmable timer to perform the Dielectric Absorption Ratio Test
• Sensitive Ohmmeter for checking resistance of motor windings
• Selectable polarization of ohmmeter for checking grounding continuity
• Automatic voltmeter protects against misuse on hazardous energized systems
• Safety:         CATIII, 600V Phase to phase, CATIII, 300V Phase to ground, EN 61010-1+A2(1996)

What's Included:
Comes as a complete kit: CT (DM-CT-HTA 1000A Standard CT 2” internal diameter CT +/- (0.5% Rdg + 2 LSD)), Voltage Leads, Ground Probes & Leads, PC software and download cable are included with this product.

Full Review

Technical
AC Voltage including Sags and Surges	0 - 600V ±(0.5% Rdg + 2 LSD)
AC Current	5 - 1000A (expandable to 3000A with optional CTs) ±(0.5% Rdg + 2 LSD)
Power	Working (W), Reactive (VAR) and Apparent (VA) ±(1.0% Rdg + 2 LSD)
Power Factor	0.00 – 1.00
Energy	Working (kWh), Reactive (VARh) and Apparent (VAh) ±(1.0% Rdg + 2 LSD)
Peak Demand	kW ±(1.0% Rdg + 2 LSD)
Harmonics	THD, DC and individual up to 49th ±(0.5% Rdg + 2 LSD) @ DC to 25 harmonics
Frequency measurement	57 to 63.6Hz at 60Hz fundamental, 47 to 53Hz at 50Hz fundamental ±(1.0% Rdg + 2 LSD)
Phase sequence	1-2-3
Co-generation	Measures Absorbed and Generated Power and Energy
Selectable Fundamental Frequencies	50/60Hz
Available Recording Time	Several hours to several years depending on setup
Mechanical Features
Dimensions	8.9”(L) x 6.5” (La) x 4.1”(H) 225(L) x 165(La) x 105(H) mm
Weight	3.3 Lb (1.5kg)
Internal power supply	6 batteries 1.5V series AA LR6
Battery Life	50 hours
External power supply	Use only Amprobe power supply Adapter code 9821-120120V.
Display	dot matrix with backlight resolution 128 x 128 dots (16384 dots) dot size 0.5mm x 0.5mm visible area 2.9” x 2.9” (73mm x 73mm)
Sampling speed	156.25usec a 50Hz.
No. of samples per period	128
Clamp	Opening 2.15” (53 mm)
Maximum diameter of the cable	2.00” (50 mm)
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%
EMC	This instrument has been designed in compliance with the EMS standards in force and its compatibility has been tested for EN61326-1 (1997) + A1 (1997).

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