Amprobe’s DM-III With True RMS Technology Allows for Accurate Measurements

Amprobe_dm-iiiThe Amprobe DM-III Power Quality Analyzer is one of the most robust power quality analyzers on the market today. When it comes to pinpointing power quality issues in electrical system, the Amprobe DM-III has True RMS technology that allows for the accurate measurement of a wide spectrum of power quality events even in the most demanding environments.

The Amprobe DM-III also simultaneously records up to 64 power events in single and three-phase power systems. 

 

Amprobe DM-III Power Quality Analyzer specifications:

Supplied Current Transducer AM-FLEX33 3000A Flexible 7” internal diameter CT

Input accuracy ±(0.5% Rdg + 2 LSD)

AC Current DM-CT-100: 0.5A to 100A; DM-CT-HTA: 5 – 1000A; AM-FLEX33: Selectable: 5 – 1000A or 15 – 3000A

AC Voltage including

Sags and Surges ±(0.5% Rdg + 2 LSD)

Harmonics ±(0.5% Rdg + 2 LSD) @DC to 25 harmonics**

Power Working (W), Reactive (VAR) and Apparent (VA) ±(1.0% Rdg + 2 LSD)

Energy Working (kWh), Reactive (VARh) and Apparent (VAh) ±(1.0% Rdg + 2 LSD)

Peak Demand KW ±(1.0% Rdg + 2 LSD)

Power Factor 0.00 – 1.00

Frequency measurement 57 to 63.6 Hz at 60Hz fundamental; 47 to 53 Hz at 50Hz fundamental; ±(1.0% Rdg + 2 LSD)

Phase sequence 1 – 2 – 3

Co-generation Computes incoming and outgoing energy

Selectable Fundamental

Frequencies 50/60 Hz

Available Recording Time Several hours to several years depending on setup

Megohmmeter Range Accuracy

Insulation resistance with

50 VDC test voltage 0.01 – 19.99, 49.9 ± (2% Reading + 2 digits)

49.9 – 99.9MÙ ± (5% Reading + 2 digits)

Insulation resistance with

100 VDC test voltage 0.01 – 19.99, 99.9 ± (2% Reading + 2 digits)

99.9 – 199.9MÙ ± (5% Reading + 2 digits)

Insulation resistance with

250 VDC test voltage 0.01 – 19.99, 199.9, 249 ± (2% Reading + 2 digits)

249 – 499 MÙ ± (5% Reading + 2 digits)

Insulation resistance with

500 VDC test voltage 0.01 – 19.99, 199.9, 499 ± (2% Reading + 2 digits)

499 – 999 MÙ ± (5% Reading + 2 digits)

Insulation resistance with

1000 VDC test voltage 0.01 – 19.99, 199.9, 999 ± (2% Reading + 2 digits)

999 – 1999 MÙ ± (5% Reading + 2 digits)

Low Resistance (without timer) 0.01 – 19.99, 99.9Ù ± (2% Reading + 2 digits)

Low Resistance (with timer) 0.01 – 9.99Ù ± (2% Reading + 2 digits)

Ground Resistance Range Accuracy

Ground resistance 0 – 19.99, 199.9, 1999 Ù ± (5% Reading + 3 digits)

Ground resistivity 0.6 – 125.6 Ùm ± (5% Reading + 3 digits)

0.125 – 1.256, 19.99, 199.9 kÙm ± (5% Reading + 3 digits)

LowÙ: 200mA Continuity Test (AUTO, RT+, RT- Mode)

Range [Ù] Resolution [Ù] Accuracy(*)

0.01 – 9.99 0.01 ±(2% Reading + 2 digit)

10.0 – 99.9 0.1 ±(2% Reading + 2 digit)

(*) After Test leads calibration

Test Current > 200mA DC per R5Ù (Test leads included)

Resolution for Test current 1mA

Open Circuit Voltage 4V V0 24V

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