20A IEC61326 DC Insulation Tester , 13kg Winding Resistance Meters

20A Transformer Winding Ohmmeter

Model: TWO-120S

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-inch high brightness touch screen.

Main Features

●Adopt 4-wire method for resistance measurement

●DC test current up to 20 A maximum

●7-inch 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

Technical Data

◇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-inch 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: 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.