Our CT Analyzer CTA-1000C with accuracy 0.05, is widely used in CT/PT factory, testing service company ,electric power company, etc   Now May Day is coming, in order to thank our new and old customers, our company launch 5% discount on CT Analyzer from 1/May to 4/May.   If you want…

      As the main manufacturer for AC DC hipot tester, we can supply it according to customer’s needs. We have exported 50KV/5KVA, 50KV/10KVA ,100KV/10KVA etc device to different countries.        Usually customer will choice oil transformer with manual control box; oil transformer with automatic control box;…

Good news I ‘d like to share with you:  1: My colleague Sara get a 3-sets order for cable fault tester from one foreign customer. This is the second time for this customer give her a big order. This customer come to our company to our company to see cable fault tester…

   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 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.