Our photographer is doing some preparation work for the video recording of the three phase relay tester        Preparing with professional photographic equipment, Kvtester does everything in this way,Professional and rigorous!   Simple wire connection Amazing Appearance Compare with the Old Case New Case ↑↑↑ Old Case…

  On Friday, April 12, 2019, 30 sets of circuit breaker tester are finished finally at the workshop of Kvtester Electronics Technology Co.,Ltd.   30 sets! That’s really an amazing numbers i have ever heard in this field! But why the customer decided to choose us at last? What makes…

  On Tuesday (2018.03.27) one set 100A Automatic Contact Resistance Tester be send out from Wuhan to India by plane of FEDEX.   This is the third time for this India customer buy this type 100A Automatic Contact Resistance Tester ZC-302A. The quality is good and stable, and the price…

  Dear All，our traditional new year dated on February 15.2018. So at the beginning of Feb most company will start the longest holiday. Our government rules the holiday about 7 days. But different company ‘s holiday time is not same.   If you need any transformer tester before the holiday,…

  You may know the 200kV/20kVA AC voltage withstand test set. But do you know how to use it to test the 380kV HV probes ?   After about 10days’ production, we finished all works for 200kV/20kVA AC voltage withstand test set and Electroscope Function Test Device for one of…

  At the end of 2017,our company Kvtester is very thankful for all customers' supports! We have get many good news and feedback for customer's using of our CT analyzer, PT analyzer, Relay tester, AC and DC hipot tester etc…We are doing many works for the new tester developing and…

  Good news. One of our Uzbekistan customers visited our company on Nov.23.2017. This is the first time this customer coming Wuhan. We went to the Tianhe Airport to pick up him and made a brief introduction of Wuhan during the way back to our Company. Very nice customer and…

 It depends on different test subjects. It is no need to cut off power when making test of resistive current. For other test subjects, the power should be cut off.