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Transformer Winding Ohmmeter VATWO120
Transformer Winding Ohmmeter

Transformer Winding Ohmmeter is designed to measure the dc resistance of all types of magnetic windings accurately. It can test transformers and rotating machine windings and perform low-current resistance measurement on connections, contacts and control circuits.

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1)Adopt 4-wire method for resistance measurement

2)DC test current up to 20 A maximum

3)User-selectable maximum current range

4)Resistance measurement from 100μΩ to 100kΩ

5)Fast auto safety discharge circuit

6)Perfect protection function

7)Able to print the test results directly via built-in printer


DC output range: 20A, 10A, 5A, 2A, 100mA, <5mA

Resistance measurement

100μΩ-1Ω @ 20A

500μΩ-2Ω @ 10A

1mΩ-4Ω @ 5A

5mΩ-10Ω @ 2A

100mΩ-200Ω @ 100mA

200Ω-100kΩ @ <5mA

Measuring accuracy: 0.2% reading ±2μΩ

Resolution: 0.1μΩ

7” true-color LCD screen for display

USB port for downloading results

Built-in printer for printing test results directly 

Max. memory capacity: 500 groups test result

Power supply: customized(AC220V/230V/120V,50Hz/60Hz optional) 

Dimension: 400x340x195mm(15.75x13.39x7.68 in)

Weight: 8.6kg(18.96 lb)

Environmental Conditions

storage temperature: -20~60

humidity: <90%

operating temperature: -10~50

Safety Qualifications and EMC

Safety: designed in accordance with IEC61010-1

EMC: light industrial IEC 61326

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