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-120S are as follows:

●Adopt 4-wire method for resistance measurement

●DC test current up to 20 A maximum

●7” high brightness touch screen

●User-selectable maximum current range

●Resistance measurement from 100μΩ to 20kΩ

●Able to save 1000 test results on-board 

●Fast auto safety discharge circuit

●Have overcurrent, overvoltage, discharge etc. protection functions

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

◇DC output range: 20A, 10A, 5A, 2.5A, 1A, <20mA

◇Resistance measurement

100μΩ-1Ω @ 20A

500μΩ-2Ω @ 10A

1mΩ-4Ω @ 5A

2mΩ-8Ω @ 2.5A

5mΩ-20Ω @ 1A

10Ω-20kΩ @ <20mA

◇Measuring accuracy: ±0.2% reading ± 2μΩ

◇Resolution: 0.1μΩ

◇7” high brightness touch screen

◇USB port for downloading results

◇Built-in printer for printing test results directly 

◇Max. memory capacity: 1000 test results

◇Power supply: customized(AC220V/230V±10%, 50Hz/60Hz optional) 

◇Dimension: 400x225x350mm(15.75x8.86x13.78 in)

◇Weight: 13kg(28.67 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-120S is powerful tool for measuring winding resistance of power transformer.