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Home >> Products >> Transformer Testing Equipment >> HES Series Transformer Tester >> HES-1E Low-Voltage PT Tester (Bridge)PRODUCT DESCRIPTIONProduct 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, COφ = 1.0
- On Test Object side: ＞10MΩ, COφ = 1.0Communication Interface: Provided the RS232 serial communication interface Power supply: AC 220V ± 10% Power consumption: < 20VA - HES Series Transformer Tester
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