Transformer Ratio Tester

Transformer Ratio Tester for power utilities and electrical labs, covering turn ratio checks, winding verification, and OEM/ODM customization for stable factory supply.

220V Power Transformer TTR Three Phase Turns Ratio Tester CT PT Polarity Tester with 1 Year Warranty

$2,000 /set

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

MOQ 1 set
Model NO. EI-7381
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

Typeelectric test equipmentApplicationAuto Testing
Voltage220 V, 380 V, 110 V, OtherProtection ClassIP65
customized supportOEM, ODM, OBMpower<100w
Accuracy±0.1%Product nameTransformer Turns Ratio Tester
Power supplyAC: AC220V ± 10%, 50Hz ± 1Hz DC: DC12-24V 10ACertificateISO 9001 ce
Output Current0A, 3A, 1A, 100mA, <10mAAccuracy0.2% ± 1μΩ
Best Resolution0.1μΩTemperature range-10℃-50℃
Relative Humidity0 to 90% noncondensingSizeInstrument Case 320*230*140(mm)

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.
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220V Power Transformer TTR Three Phase Turns Ratio Tester CT PT Polarity Tester with 1 Year Warranty

SKU: EI-7381

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