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Types: | Three Phase Reference Meter | Class: | 0.02 |
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Current Range: | 0-120A | Voltage Range: | 0-1000V |
Frequency: | 45-65Hz | Phase: | 0-360.00 |
PF: | -1-0-1 | Weight: | 12KG |
LCD: | 6.4inch | DC Current Measurement: | 0-30A |
DC Voltage Measurement: | 0-1000V | DC Accuracy: | 0.01% |
GF333 can be used as a calibration device standard meter, also as a testing calibrator in measurement test center of grid corporation, power company and measurement department in power plant, national levels of measurement mechanism, quality inspection departments, research institutes, tertiary institutions, industrial and mining enterprises, electric energy meter and electrical instrument production enterprises etc.
Electrical parameters | |
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Accuracy class | 0.02%, 0.05% |
Power supply | AC 220 V±10% or 110 V±10%, 50/60Hz |
Power consumption | <30VA |
Warming-up time | <30min |
Voltage measurement | |
U1, U2,U3 | 6.25V, 12.5V, 25V, 50V, 100V, 200V, 400V, 800V (switch automatically), max 1000V |
Range | (0-120%)RG |
Resolution | 0.01%RG |
Accuracy | 0.02%RD or 0.05%RD |
Current measurement | |
I1, I2, I3 | 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100A(switch automatically) |
Range | (0-120%)RG |
Resolution | 0.01%RG |
Accuracy | 0.02%RD or 0.05%RD |
Power measurement | |
Active accuracy | 0.02%RD or 0.05%RD |
Reactive accuracy | 0.05%RD or 0.1%RD |
Apparent accuracy | 0.02%RD or 0.05%RD |
Energy measurement | |
Active accuracy | 0.02%RD or 0.05%RD |
Reactive accuracy | 0.05%RD or 0.1%RD |
Phase measurement | |
Range | 0.00°-359.99° |
Resolution | 0.001° |
Accuracy | 0.02° (voltage ≥50V and current ≥250mA) |
Frequency measurement | |
Range | 45-65Hz |
Resolution | 0. 001Hz |
Accuracy | 0.002Hz |
Power Factor measurement | |
Range | -1.0 ~ 0 ~ +1.0 |
Resolution | 0.0001 |
Accuracy | 0.0005 |
Electric energy pulse output | |
Pulse constant range | 1-2880000000 |
Output frequency of max. pulse | 600 kHz |
Load capacity | >2mA |
Default pulse output frequency | 10kHz-600kHz |
Energy pulse Input | |
Input range of pulse constant | 600-700000 |
Setting range of test pulse | 1-999999999 |
Max. pulse receiving frequency | 2MHz |
Pulse input level | 5V |
Voltage/current harmonics measurement | |
Times | 2-31 |
Error | 0.05% |
Distortion degree error | 0.05% |
Transducer measurement | |
DC voltage range | ±1, ±5, ±10, ±20 V |
Accuracy | 0.01% |
DC current range | ±1, ±2.5, ±5, ±10, ±20mA |
Accuracy | 0.01% |
Ripple error | 1% |
DC measurements (option) | |
DC voltage | 50V, 100V, 200V, 400V, 800V (switch automatically), max 1000V |
Range | (0 -120%) RG |
Resolution | 0.01% RG |
Accuracy | 0.02% RD |
DC current | 0.1A, 0.3A, 1A, 3A, 10A, 30 A(switch automatically) |
Range | (0-120%) RG |
Resolution | 0.01% RG |
Accuracy | 0.02% RD |
Mechanical parameters | |
Dimensions (W×H×D) (mm) | 440×360×160 |
Weight (kg) | 10 |
Environmental conditions | |
Operating temperature | 10°C to 30°C |
Relative humidity | ≤85% |
http://gfuve.com/reference-standard/ac-dc-digital-meter-calibration-electrical-equipment.html