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Featured Product

  • HVTF2 AC Resonant Hipot Test System for Substation Equipment

  • HVTFW PD-free AC Series Resonant Test System

  • HVYDQW Series Gas Type HV Testing Transformer for PD Test

  • HVIG Impulse Voltage Generator-Marx Generator


HD YOGA MANUFACTURING CO., LTD. is an international company having under licisense its head office in UK and its manufacturing facilities of different locations in China, with its high voltage test  equipment manufacturing controlled by HV Hipot Tester Electric Co., Ltd.(HV Hipot Tester).  

HV Hipot Tester produces market-leading high voltage test equipment for proof testing, diagnostic evaluation, and preventive maintenance testing of electrical cables and apparatus designed to operate under medium to high voltage conditions. From transformer and control circuit design, component manufacturing, to assembly, testing, and shipment, we maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment. We are proud of the work we do to help utilities and electrical contractors keep the lights on and protect critical loads all over the world. (Pls Contact US for more information)

Our products are used for testing:

MV/HV cable


Insulator, Lighting arrester

Cable faults

Switchgear/ Circuit Breaker

Utility substation apparatus

DC batteries

Motors and generators

Other high voltage electrical products used for generation, transmission, and distribution of electricity

Our high voltage test equipments cover full range:

HV product:

* HV Hipot Tester, AC Cable Resonance Test System, Transformer test system,

* Impulse Voltage Generator, Temperature Rise Test Primary Injection Tester, 

* No Partial Discharge HV Hipot Tester, Partial Discharge Test Device

Power Metering Products:

* Transformer Testing Equipment

* Switchgear Analyzer/ Circuit Breaker Analyzer

* Relay Tester, CT PT Analyzer, Secondary Circuit Tester

* Cable/Line/Pipe Testing Instrument

* DC System Tester, Battery Tester

* SF6/Insulation Oil Test Equipment, Oil Purification Equipment

* Power Quality Analyzer

* Ground/Insulation Resistance Tester

* Lightning Arrester Tester, Insulator Tester

* Other Power Metering Product and Accessories

With rich experience and innovation, HV Hipot Tester leads the industry in producing portable field test equipment and high power AC and DC high voltage test sets for utilities and OEM ODM industrial markets. A global company with sales in more than 80 countries, HV Hipot Tester  delivers the results you need with more portable and efficient HV test sets.

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