OEM Best Energy Meter Tester Manufacturers – GDDO-20C AC/DC Electric Meter Calibration Device – HV Hipot
OEM Best Energy Meter Tester Manufacturers – GDDO-20C AC/DC Electric Meter Calibration Device – HV Hipot Detail:
General Information
GDDO-20C AC/DC Electric Meter Calibration Device is used to detect basic error of various power frequency electric instruments in power systems, including voltmeter, ammeter, wattmeter, ohmmeter, single phase & three phase AC energy meters (optional) and basic error of DC volt-meter and ammeter.
For meter’s part, it takes high precision power frequency AC collector as core technology, which consists of digital signal processor (DSP) and 16-digit high speed analog-digital converter; For signal source, it uses DSP and 16-digit high speed analog-digital converter to form signal source that produces sine wave signal and distortion wave signal.
Features
● Accuracy class of 0.05. When AC voltage, AC current and active power are measured, the device is equipped with a digital/frequency converter (DFC) with a working frequency higher than 60kHz and multiple current ranges, so high accuracy is guaranteed.
● The distortion wave of 2~31 times, number, times and amplitude of harmonics, and phase of harmonic to fundamental wave can be all programmed.
● 6.5-inch color TFT LCD screen, clear and bright display.
● With RS232 communication port.
● With a large capacity non-volatile memory, can store test results of 300 meters under test, support data view and data upload function.
● With good reliability, easy to operate.
Specification
Power frequency AC output |
|
Voltage range (V) |
50, 100, 200, 400, 600 (800V is optional), Max. output capacity 20VA |
Current range (A) |
0.5, 1, 2.5, 5, 10, 20, Max. output capacity 20VA |
Voltage adjustment range |
0~130%, fineness adjustment 5*10 |
Current adjustment range |
0~130%, fineness adjustment 5*10 |
Accuracy of voltage, current, active power and energy |
0.05% |
Accuracy of reactive power and energy |
0.1% |
Phase accuracy of current to phase voltage |
0.05° |
Frequency |
Adjustment range: 45~65Hz, Fineness adjustment: 0.001Hz Setting value accuracy: 0.01Hz |
Phase |
Adjustment range: 0~359.99° Fineness adjustment: 0.01° Setting value accuracy: 0.05° |
Distortion degree of voltage and current output waveform |
≤0.3% |
Stability of voltage, current and power output |
≤0.01%/60s (peak-to-peak value) |
Harmonics |
2~31 times Amplitude: 0~20% Phase fineness: 0.01°*N (“N” refers to harmonic order) |
DC output |
|
Voltage range (V) |
0.075, 75, 150, 300, 500, 1000, Max. output capacity 20W |
Current range (A) |
0.5, 1, 2.5, 5, 10, 20, Max. output capacity 20W |
Adjustment range of voltage and current |
0~120% (not including 1000V), fineness adjustment 5*10 |
Stability of voltage and current output |
≤0.01%/60s (peak-to-peak value) |
Accuracy of voltage setting value |
0.05% |
Accuracy of current setting value |
0.1% |
Accuracy at 75mV output (Load ≥5Ω) |
0.1% |
General parameters |
|
Power supply |
Single phase 220V±10%, 50Hz±5% |
Use conditions |
20℃±10℃, ≤85%RH |
Dimension |
460*460*175mm |
Weight |
About 20kg |
Packing List
Main unit | 1 set |
Aluminum alloy box | 1 set |
Power cord | 1 pc |
Test line with connector | 1 pc |
Test line (DC 75mV) | 1 pc |
Test line for electric energy pulse | 1 pc |
Communication cable | 1 pc |
Photoelectric collector | 1 pc |
User’s guide | 1 copy |
Factory test report | 1 copy |
Product detail pictures:
Related Product Guide:
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By Janice from Afghanistan - 2017.04.08 14:55
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
By Elva from Ukraine - 2017.08.16 13:39