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{"title":"High Accuracy 100A\/200A Contact Resistance Tester for Circuit Breakers","imgUrl":"https:\/\/img.chinax.com\/nimg\/80\/14\/16c57690692389f705ee1ad6bb26-200x200-1\/high_accuracy_100a_2f200a_contact_resistance_tester_for_circuit_breakers.jpg","attrs":{"Brand Name":"HKVTest","Model Number":"100A\/200A","Place of Origin":"wuhan","Minimum Order Quantity":"1"}}
{"title":"20A 10A DC Resistance Tester for Transformer Testing","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/eb\/12518957cb570f33b73999e4146c-200x200-1\/20a_10a_dc_resistance_tester_for_transformer_testing.jpg","attrs":{"Brand Name":"HKVTest","Model Number":"10A\/20A","Place of Origin":"wuhan","Minimum Order Quantity":"1"}}
{"title":"10A\/20A Fast Response DC Resistance Tester High Repeatability Full Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/eb\/12518957cb570f33b73999e4146c-200x200-1\/10a_2f20a_fast_response_dc_resistance_tester_high_repeatability_full_protection_for_transformer_testing.jpg","attrs":{"Brand Name":"HKV Test","Model Number":"10A 5A 1A 300mA 100mA <5mA","Place of Origin":"WuHan","Minimum Order Quantity":"1"}}
{"title":"LCD Display Insulation Resistance Tester 0-2000G\u03a9 High Accuracy Megohmmeter for","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/a9\/c184bc614c25cd165c3998df5d88-200x200-1\/lcd_display_insulation_resistance_tester_0_2000g_ce_a9_high_accuracy_megohmmeter_for_power_lines_2ftransformers.jpg","attrs":{"Brand Name":"HKV Test","Model Number":"10A 5A 1A 300mA 100mA <5mA","Place of Origin":"WuHan","Minimum Order Quantity":"1"}}
During the production of semi-finished and finished power transformers, before new transformers are put into operation, and in accordance with the preventive test regulations of the State Grid, regular turns ratio or voltage ratio testing is required. Traditional ratio bridges are cumbersome to operate, provide non-intuitive readings, require additional calculations, and only give the ratio of a single phase.
Our Transformer Turns Ratio Tester overcomes all these shortcomings. It features a large high‑resolution LCD screen, is easy to use in the field, and provides a Chinese menu prompt (localized versions available). Operation is simple and intuitive – the three‑phase ratio test is completed in one go with fast speed and high accuracy.
Key Features
Three-phase sine inverter power supply, auto voltage adjustment, soft start & soft stop design
All-in-one test: ratio, vector group and polarity for single-phase / three-phase transformer, PT and Z-type transformer
Support intelligent blind test without high/low voltage connection information
Built-in CT ratio & polarity test function; phase angle difference test for single-phase mode
Max 197 tap gears testable, ultra-wide measuring range up to 10000
Wuhan HKV test Electrical Equipment Manufacturing Co., Ltd
Room 403, Unit 4-02, Phase III, Optics Valley Core Center, No. 303 Guanggu Avenue, East Lake High-Tech Development Zone, Wuhan City, Hubei Province, P.R.China