Product Details

ZHBB-II Automatic Transformer Turns Ratio Tester





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Features

      ·Wide measurement range, with turns ratio up to 10000;

      ·Fast testing speed, completing three-phase test within 10 seconds;

      ·Testing of Zigzag-connected transformers;

      ·Blind test of turns ratio and group test functions;

      ·Non-volatile clock and date display, data storage function;

      ·High and low voltage reverse connection protection;

      ·Transformer short circuit and inter-turn short circuit protection;

      ·Thermal printer output, fast and low noise;

      ·Full-transmissive large-screen LCD, clearly visible under sunlight;

      ·Compact size and light weight.



Technical Parameters

     ◇ Measurement range 0.9～10000 (160V) 0.9～200 (10V)

     ◇ Accuracy 0.2 class (160V: 0.9～1000, 10V: 0.9～200)

                     0.3 class (160V: 1000～3000)

                     0.5 class (160V: 3000～10000)

      ◇ Resolution minimum 0.001

      ◇ Output voltage 160V and 10V can be manually selected; 160V is the main measurement voltage, capable of completing almost all turns ratio measurements; 10V is mainly used for measuring turns ratio of rectifier transformers and transformers with relatively large no-load current, not for measuring turns ratio of instrument transformers.

      ◇ Dimensions 385mm×275mm×230mm

      ◇Instrument weight 10kg

ZHBB-II Automatic Transformer Turns Ratio Tester   In the production process of semi-finished and finished power transformers, before new transformers are put into operation, according to the preventive test regulations of the Ministry of Electric Power, it is required to regularly test the turns ratio or voltage ratio of transformers in operation. Traditional turns ratio bridges are cumbersome to operate, readings are not intuitive, and necessary conversions are required; the test result only provides data for one phase. The ZHBB type turns ratio tester overcomes the shortcomings of traditional bridge testing.



Operating Conditions

     ○ Ambient temperature -10℃～50℃

     ○ Ambient humidity ≤85%RH 

     ○ Power supply AC220V±10%

     ○ Power frequency 50Hz±1Hz



Note: The above information and technical parameters are compiled and published by Yangzhou DARUI Electric Co., Ltd.