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TWO-120S Transformer Winding Ohmmeter
Maximum 20A current for measuring winding resistance of power transformer

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. TWO-120S can be operated easily via 7” high brightness touch screen.

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Descriptions

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

Specifications

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.

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