Transformer DC Resistance Tester

Transformer DC Resistance Tester for checking winding resistance in transformer maintenance, OEM/ODM available for utilities, labs, and service contractors.

Transformer Insulating Oil Resistivity Tan Delta Tester Dielectric Loss Volume Resistivity Dissipation Factor GB T5654 Tester

$3,069 /set

Price varies depending on material, logo, quantity and customization requirements.

MOQ 1 set
Model NO. EI-7406
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

TypeTesting MachineApplicationInsulating Oil Dielectric Loss and Resistivity Tes
Accuracy ClassStandard AccuracyVoltageAC 220V±10%
Protection ClassIP55customized supportOEM
power100WAccuracy/
Power frequency50Hz/60Hz ±1%Capacitance5pF to 200pF
Relative permittivity1.000 to 30.00Dielectric loss factor0.00001 to 10
Direct current resistivity2.5 MΩm to 20 TΩmTemperature measurement range0 - 125℃
Temperature measurement error±0.5℃Experimental voltage range500 - 2200V, adjustable continuously, frequency 50Hz
DC test voltage0 - 500V, adjustable continuously

We are China Loong Electrical Instrument Co., Ltd., a professional manufacturer and supplier specializing in Electrical Instrument. We have brought together and coordinated resources across the Electrical Instrument supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.

Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:

  • Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
  • Strict quality control covering material selection, processing, surface finishing, and final packaging;
  • Variety of products and specifications to meet diverse project requirements and application scenarios;
  • OEM & customization support based on drawings, samples, or specific technical requirements;
  • Flexible packaging solutions to ensure safe handling and transportation of products;
  • Continuous improvement in products and services to better support customers in different markets.

If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.

Copyright © 2026 China Loong Electrical Instrument Co., Ltd. All rights reserved.
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Transformer Insulating Oil Resistivity Tan Delta Tester Dielectric Loss Volume Resistivity Dissipation Factor GB T5654 Tester

SKU: EI-7406

Contact Form (#3)

Home

Products

About

Contact