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.

The main features of Transformer Winding Ohmmeter TWO-120 are as follows:

●Adopt 4-wire method for resistance measurement

●DC test current up to 20 A maximum

●User-selectable maximum current range

●Resistance measurement from 100μΩ to 100kΩ

●Fast auto safety discharge circuit

●Perfect protection function

●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,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

Transformer Winding Ohmmeter TWO-120 is reliable tool for measuring the dc resistance of all types of magnetic windings.