Multifunctional Reference Standard
NATIONAL REGISTRY N: 39952-08
Calibration interval 2 years
Аccuracy class: from 0.1
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Measurement and logging (including waveform capturing) of critical electrical parameters in single-/ and three-phase networks, including RMS voltage and current for both sinusoidal and distorted waveforms, as well as active, reactive, and apparent power |
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on-site performance, accuracy and calibration tests of single / and three-phase electric energy meters (active or reactive energy); control of correct meter wiring (without breaking into the circuits) |
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On-site performance, accuracy and calibration tests of current and voltage instrument transformers (as a comparator) |
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Inspection of secondary circuits of instrument transformers (load power measurements), e.g. within automatic metering and billing systems |
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Amplitude and peak AC voltage measurements (up to 500 Hz) across one/three channels and one differential channel; accuracy testing and calibration of peak voltmeters |
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Operating temperature range: -20...50°C |
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Weight: 2 kg |
NOTE! We offer various training programs for users of Mars-Energo instruments and software.
Measured parameters |
Measuring range |
Intrinsic measurement error |
|
Accuracy class 0.1 |
Accuracy class 0.5 |
||
AC voltage |
0,6 to 360 V (Unom = 60, 120, 240, V) |
±0,01% | ±0,01% |
AC current | 1 mА to 3500 А | ±0,01 % Inom =0,1; 1; 0,5; 5; 10; 50 |
±0,5..2,0 % Inom =10; 100; 300; 1000; 3000 |
Phase angle between fundamental harmonics of phase voltages or between fundamental harmonics of current and voltage in the same phase |
0° to 360° | Absolute | |
±0,1° | ±0,5° | ||
Apparent power, VA |
0,1Unom to 1,2Unom 0,1Inom ≤ I < 1,2Inom |
Relative: | |
±0,2 % | ±2,0 % | ||
Active power, W | Relative: | ||
±0,1 % | ±0,5 % | ||
Reactive power, Var | 0,01Qnom to 1,44Qnom | Relative: | |
0,9 ≤ |sin φ| ≤ 1,0 | ±3,0 % | ±1,0 % | |
0,2 ≤ |sin φ| ≤ 0,9 | ±5,0 % | ||
AC frequency, Hz | 45 to 75 Hz | Absolute: | |
±0,01 | ±0,01 |
User manual (4.96 Mb, pdf)
Performance testing of meters with reference standard (0.56 Mb, pdf)