Xianheng International (Hangzhou) Electrical Manufacturing Co., Ltd.
AC Insulation Tester

AC Insulation Tester

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AC Insulation Tester
  • Elecgene's AC insulation tester series supports a variety of insulation test methods

  • Our insulation test equipment helps evaluate insulation condition and performance, enabling effective insulation health assessment

  • Widely used in substations, power utilities, industrial plants, and electrical maintenance services


YTB-20 Series 100kVRMS AC140kV DC High-Voltage Test System

YTB-20 Series 100kVRMS AC140kV DC High-Voltage Test System

The AC voltage test sets are suitable for kinds of electrical products, electrical equipments and insulated materials, testing the insulated level of products, discovering the insulated situation of tested objects.


  • Separate control and HV units

  • Continuously adjustable voltage

  • DC testing via a rectifier

  • In-built over-current protection

ESR-800 Series HV Resonant Test System (Umbrella Reactor Build in Divider )

ESR-800 Series HV Resonant Test System (Umbrella Reactor Build in Divider )

Through the reactor of the combined device, it can output stable AC high voltage, which is mostly used for AC voltage withstand test of on-site electrical equipment, such as cross-linked cables, transformers, GIS, motors and generators.


  • Lower input power requirement

  • Pure AC Sine Wave at output

  • Easy to combine reactor to output different voltage.

YTB-20 Series 50kVRMS AC/70kV DC High-Voltage Test System

YTB-20 Series 50kVRMS AC/70kV DC High-Voltage Test System

The AC voltage test sets are suitable for kinds of electrical products, electrical equipments and insulated materials, testing the insulated level of products, discovering the insulated situation of tested objects.


  • Separate control and HV units

  • Continuously adjustable voltage

  • DC testing via a rectifier

  • In-built over-current protection

ESR-800 HV Resonant Test System

ESR-800 HV Resonant Test System

Through the reactor of the combined device, it can output stable AC high voltage, which is mostly used for AC voltage withstand test of on-site electrical equipment, such as cross-linked cables, transformers, GIS, motors and generators.


  • Lower input power requirement

  • Pure AC Sine Wave at output

  • Easy to combine reactor to output different voltage.

ESR-800 AC Resonant Test System

ESR-800 AC Resonant Test System

Through the reactor of the combined device, it can output stable AC high voltage, which is mostly used for AC voltage withstand test of on-site electrical equipment, such as cross-linked cables, transformers, GIS, motors and generators.


  • Lower input power requirement

  • Pure AC Sine Wave at output

  • Easy to combine reactor to output different voltage.


Why choose ELECGENE's AC insulation testers

1. Accurate insulation condition assessment

Advanced test methods such as infrared (IR), pulse induction (PI), and dynamic resistance (DAR) provide reliable assessment of insulation conditions.


2. Wide voltage range for wide applications

Multiple test voltage ranges support various applications in power systems.


3. Comprehensive diagnosis and data analysis

Integrate diagnostic and data logging functions, support trend analysis, help users continuously monitor insulation degradation status, and develop scientific predictive maintenance plans.


4. High safety standards, safe operation

Built-in automatic discharge and other safety protection functions to ensure safe operation in high-pressure environments.

FAQs about AC insulation testers

Can you recommend an AC insulation tester solution based on our project requirements?

Sure. You only need to provide the project requirements and the equipment to be tested, etc., and we will recommend a suitable testing plan for you.

What is the typical delivery lead time for AC insulation testers?

Standard products are usually in stock, and delivery can be arranged within 1–3 days after order confirmation. For bulk orders or customized products, it typically takes 2–4 weeks.

How soon can you provide a quotation for AC insulation testers?

We usually provide a quotation within 48 hours after receiving your inquiry.

Can AC insulation testers be customized with the customer’s brand (private labeling/OEM)?

Yes. We support OEM services.

What shipping methods do you offer for AC insulation testers?

We support air freight, sea freight, and other common international shipping methods.

Do AC insulation testers come with a warranty? How long is it?

Yes. All products come with a 12-month warranty.

Do AC insulation testers comply with international standards?

The products are CE certified and comply with relevant IEEE/IEC standards.

Do you provide remote or on-site training for AC insulation testers?

We provide remote training support, technical support, and related service support. Please contact us for details.

Can you provide successful project cases or reference customers for AC insulation testers?

We have extensive project experience both domestically and internationally. You can view case studies on our website or contact us to discuss further.

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