HAOMAI Winding Resistance Meter , 40A Power Transformer Winding Resistance Test Set

40A Transformer Winding Ohmmeter

Model: TWO-140S

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.

Main Features

1) Adopt 4-wire method for resistance measurement

2) DC test current up to 40 A maximum

3) User-selectable maximum current range

4) Resistance measurement from 50μΩ to 20kΩ

5) Fast auto safety discharge circuit

6) Able to download test results via USB interface

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

Technical Data

◇DC output range: 40A, 20A, 10A, 5A, 2.5A, <20mA

◇Resistance measurement

50μΩ-500mΩ @ 40A

100μΩ-1Ω @ 20A

500μΩ-2Ω @ 10A

1mΩ-4Ω @ 5A

2mΩ-8Ω @ 2.5A

10Ω-20kΩ @ <20mA

◇Measuring accuracy: ±0.2% reading ± 2μΩ

◇Resolution: 0.1μΩ

◇320×240 colour LCD screen for display

◇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-140S is ideal tool for measuring winding resistance of power transformer.