Transformer DC Resistance Tester

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

Electric Insulation Resistance Digital Meter Ohm AC DC Voltage Tester Megohmmeter with 250V 500V 1000V 2500V 5000V Multi Range

$369 /piece

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

MOQ 1 piece
Model NO. EI-7742
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

Measuring Range0.01MΩ-50TΩAccuracy Class±3%rdg±5dgt
Testing Voltage100V, 250V, 500V, 1kV, 2.5kV, 5kV, 10kV, 15kVOperating Temperature-20°C-50°C
Time Resolution1 msCurrent Range0.01nA-6mA
Current Resolution0.01MΩDisplay TypeLCD
Insulation Resistance> 10 MΩSpeed Range1 m/s(3.28ft/s)
Dimensions240mm (L) * 188mm (W) * 85mm (H)Product nameInsulation Resistance Tester
DC Voltage Range0.1-1000VAC Voltage Range0.1-750V
DC Current Measurement0.01nA-6mACapacitance Measurement10nF-50μF
Output short-circuit current≥ 6mALCD display size108mm x 65mm
Standby power consumption30mA Max (backlight off)Turn on backlight power consumption42mA Max
Measurement power consumption200mA Max (backlight off)

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.

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Electric Insulation Resistance Digital Meter Ohm AC DC Voltage Tester Megohmmeter with 250V 500V 1000V 2500V 5000V Multi Range

SKU: EI-7742

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