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Transformer DC Resistance Tester for Large Power Transformers

Categories	Transformer Tester
Brand Name:	XZH TEST
Model Number:	XHZ1340A
Certification:	CE/ISO
Place of Origin:	China
MOQ:	1 unit
Payment Terms:	T/T
Delivery Time:	5-8 work days
Packaging Details:	wooden packaging
Supply Ability:	2000unit/year

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Xi'an Xu&Hui Electromechanical Technology Co., Ltd.

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Transformer DC Resistance Tester for Large Power Transformers

XHZ1340A The Ultimate Transformer Tester for DC Resistance Measurement of Large Power Transformers

The XHZ1340A transformer DC resistance tester is a new generation of rapid testing equipment that integrates magnetic testing, three-phase testing, and degaussing functions. This advanced instrument is specifically designed for measuring the DC resistance of large power transformers with exceptional precision and efficiency.

Key Features

Simultaneous connection of high and low voltage current potential test wires without need for reversal during testing
Three-phase simultaneous testing capability for star-connected windings (A0, B0, C0 phases) significantly reduces testing time
Automatic magnetic assist method for faster testing of three-phase five-column low-voltage internal corner-connected transformers
Comprehensive data display and printing of all test results for high, medium, and low voltage windings
Automatic calculation of three-phase unbalance degree with optional printing of resistance values converted to rated temperature
Innovative testing sequence that solves the neutral point lead wire resistance measurement challenge
Advanced back-EMF protection for enhanced safety
Permanent storage for 200 test datasets (expandable) with USB export capability for computer analysis
Robust design featuring wide temperature tolerance, high accuracy, shock resistance, anti-interference, and portability

Technical Specifications

Parameter	Specification
Test Current	Three-phase test: 20A+20A, 10A+10A, 5A+5A, 1A+1A Phase separation test: 40A, 20A, 10A, 5A, 1A, 0.2A
Test Range	40A: 100.0μΩ ~ 0.5Ω 20A: 500.0μΩ ~ 1Ω 10A: 1mΩ ~ 2Ω 5A: 10mΩ ~ 4Ω 1A: 100mΩ ~ 20Ω 0.2A: 1Ω ~ 100Ω 20A+20A: 200μΩ~0.3Ω 10A+10A: 500μΩ~0.6Ω 5A+5A: 10mΩ ~ 1.5Ω 1A+1A: 100mΩ ~7Ω
Resolution	0.1μΩ
Accuracy	±(reading×0.2%+2 words)
Dimensions	430mm × 320mm × 230mm
Operating Temperature	-10°C ~ 50°C
Operating Humidity	≤ 85% RH
Power Supply	AC220V ± 10%, 50±1 Hz

Product Tags:

DC resistance tester for transformers

large power transformer tester

transformer DC resistance measurement

Transformer DC Resistance Tester for Large Power Transformers

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