China Peh-3c Portable Three Phase Energy Meter Tester for Munlti Function Electric Meter, Find details about China TDS Meter, Pressure Calibrator from Peh-3c Portable Three Phase Energy Meter Tester for Munlti Function Electric Meter
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) | |
Intrinsic error | |||
Current input ( via Clamp-on CT's) | 5A (self adjusted), 20A: ±0.2% 100A, 500A, 1000A, 1500A: ±0.5% | ||
Direct connection | |||
Accuracy class: 0.1 | Accuracy class: 0.05 | ||
Active energy | ±0.1% | ±0.05% | |
Reactive energy | ±0.1% | ±0.1% | |
Active power | ±0.1% | ±0.05% | |
voltage | ±0.1% | ±0.05% | |
current | ±0.1% | ±0.05% | |
Frequency | ±0.05Hz | ±0.05Hz | |
Phase | ±0.1º | ±0.05º |