China Electrical Instrument 0.05% Accuracy Fielding Three Phase Energy Meter Calibrator, Find details about China Gfive Energy Meter Calibrator, Three Phase Energy Meter Calibrator from Electrical Instrument 0.05% Accuracy Fielding Three Phase Energy Meter Calibrator
Details : | |
² Accuracy classes: 0.05%, 0.1% ² Measurement of energy meter errors, display of voltage, current, power, power factor, frequency etc. ² Measurement of harmonics of 2nd to 51st ² Measurement of clock error (of energy meter) ² Measurement of transformation ratio for CT ² Communication examination for energy meters ² Measurement for register ² Detection of wiring failures and calculation of electricity compensation ² USB and communication ports available ² Self adjusted clamp-on CT's (KHPEC's patent) provided ² Double of power supply via lithium battery or PT |
General | |||
Power supply | AC57~450V, 50~60Hz | ||
Power consumption | About 10VA | ||
Ambient temperature | -20ºC--+40ºC (accuracyassured) | ||
Relative humidity (not condensing) | 40%-95% | ||
Dimension(L×W×H, mm) | 249×154×58 | ||
Weight | 1.8Kg | ||
Warm-up time | < 3 minutes | ||
Battery endurance | 4 hours | ||
LCD color display | 5.7", 320×240 TFT | ||
Communication port | RS 232 | ||
Safety | |||
Declaration of conformity | CE conformed | ||
Operation reference | |||
Measuring ranges | |||
Voltage | AC 30~480V | ||
Current: | Direct connection-1A, 5A Via clamp-on CT's: 5A, 20A(±0.2%, self adjusted), 100A, 500A, 1000A(±0.5%) | ||
Frequency | 45~65Hz | ||
Phase | -180 º ~+180º | ||
Constant of pulse | 5A: FL=3.6×104P/KWh FH=3.6×107P/KWh Others:FL=36000×5/rated current (P/KWh) FH=3.6×107×5/ rated current (P/KWh) | ||
Harmonic measurement | Range: 2nd ~51st Accuracy: ±0.01% (compared to 100% fundamental wave) | ||
Transformation ratio deviation | < ±0.5% | ||
Voltage deviation | < ±0.01% | ||
Frequency deviation | < ±0.01%(45-55Hz) | ||
Influence of temperature | < ±5ppm/ ºC(typical) | ||
Variation in 24hrs. | <±0.02% (class 0.1) | <±0.01% (class 0.05) |