LDZRC-20A Transformer DC Resistance Tester

Winding dc resistance measurement is one of the routine test of transformer, which is to check the connection and mechanical properties between winding, winding and the lead,and whether the resistance between each phase winding is in balance to ensure the safe operation of transformer.

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Product Features

Transformer dc resistance tester with 32ARM kernel, which is the core of the process can control the whole machine, doing automatically self-calibration and steady flow judgment, data processing, display, and other functions, can manage all kinds of Dc resistance measurement of transformer and mutual inductor. greatly convenient the use of the field staff.

Security measures

2.1read this manual carefully before using this instrument.

2.2the operator should have the general electrical equipment or instruments using common sense.

2.3can be used inside and outside, avoid the rain, corrosion gas, thick dust, high temperature and direct sunlight.

2.4violent vibration.

2.5maintenance, care and adjustment should be conducted by professionals.

2.6 turn off power supply after the test, and then remove the test line.

2.7witch gear after discharge instructions stop when measuring the no-load regulating transformer.

Parameter

current	range	current	range
20A	0.5mΩ-1Ω	1A	1Ω-20Ω
10A	1mΩ-2Ω	0.2A	0.2A
5A	10mΩ-4Ω	20mA	50Ω-1KΩ

Note: please use automatic testing function if beyond the above range.

3.2 The test accuracy: 0.2% of the highest resolution: 0.1 .

3.3 with 65 k true color liquid crystal display, Chinese menu prompt, easy to operate.

3.4 With the large capacity storage function, can store 2000 test records,

3.5 The working power supply: AC220V plus or minus 10 ﹪,

3.6Working temperature: - 10 ℃ to 40 ℃.

3.7 Work humidity: environment humidity <80% RH.

3.8 The instrument weight: 5㎏.

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LDZRC-20A Transformer DC Resistance Tester

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