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Home >> Products >> Transformer Testing Equipment >> HES Series Transformer Tester >> HES-1W Low-Current CT Tester (Bridge)PRODUCT DESCRIPTIONProduct model: HES - 1W Display model: LED Measure item: Ratio errors & Phase errors of the low - Current CT Rated current: 1mA, 2mA, 5mA, 20mA, 50mA Multiplier: 0.5, 1, 1.5, 2, 3 Accuracy class: ±2% Operation range: (1% - 200%).In Frequency: 50 / 60Hz Ratio error range: ±0.0001% ~ ±19.99%（Three positions: 1.999‰, 19.99‰, 199.9‰） Minimum resolution：0.0001%. Phase error range: 0.01' ~ ±900'（three positions: 9.00', 90.0', 900'） Minimum resolution: 0.01' Alarm Function: Provided the sound & light alarm function when the polarity abnormal or ratio inconsistent. Provided load for object CT: 0Ω, 5Ω, 10Ω, 20Ω, 30Ω, 50Ω, 100Ω, 200Ω, 250Ω, 500Ω (COSφ=1.0) Input load on standard side: 10Ω (COSφ=1.0) Communication Interface: Provided the RS232 serial communication interface Power supply: AC 220V ± 10% Power consumption: < 20VA - HES Series Transformer Tester
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