HES-1E Low-Voltage PT Accuracy Testing System
Product picture：
Product parameters：
1.Type of tested object: Low-Voltage PT
2.Type of object PT: Voltage Input / Voltage Output
3.Measure item: Ratio errors & Phase errors of the Small-Voltage PT
4.Testing system included:
ØHES-1E Low-Voltage PT Tester
ØHJF-2 Inductive Voltage Divider
ØHES PT Test Power
5. Main Technical Datas:
1). HES-1E Low-Voltage PT Tester (Bridge)
Product model: | HES-1E |
Display model: | LED |
Measure item: | Ratio errors & Phase errors of the low-Voltage PT&CT |
Rated voltage: | 22.5mV, 150mV, 200mV, 225mV, 1.5V, 1.625V, 2V, 3.25V, 4V, 6.25V |
Multiplier: | 1/3, 1/2, 1/√3, 1 |
Accuracy class: | ±2% |
Operation range: | (20%-120%).Un |
Frequency: | 50/60Hz |
Ratio error range: | ±0.001% ~ ±19.99%（Two positions: 1.999%, 19.99%） |
Minimum resolution: 0.001%. | |
Phase error range: | 0.1' ~ ±900'（Two positions: 90.0', 900'） |
Minimum resolution: 0.1' | |
Alarm Function: | Provided the sound & light alarm function when the polarity abnormal or ratio inconsistent. |
Input Load: | - On Standard side: ＞10MΩ, COSφ=1.0 - On Test Object side: ＞10MΩ, COSφ=1.0 |
Communication Interface: | Provided the RS232 serial communication interface |
Power supply: | AC 220V±10% |
Power consumption: | < 20VA |
2) HJF-2 Inductive Voltage Divider
Accuracy Class: | 0.005% |
Input Voltage: | AC 100V, 150V, 300V, 600V (AC 0～600V) |
Variablle Output Voltage: | AC 0-11.111V |
Power Factor: | COSΦ=1.0 |
Operating Range: | (20%-120%) x Un |
Frequency: | 50/60Hz |
Insulation： | Air |
Operating Condition: | Temperature: 10°C～+40°C |
Relative Humidity (RH): up to 85% (max 90%) |
3) HES PT Test Power
Input Voltage: | AC 220V±10% 50/60Hz |
Output Current: | AC 5A, 50A, 100A |
Rated Capacity: | ～500VA |
Output Voltage: | Provided the Coarse adjustment & Fine adjustment |
Adjustment Model: | Manual adjustment |
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