Transformer DC Winding Resistance Tester for 40A

SXZR-20A is single phase DC winding resistance tester which designed specifically to measure DC resistance values of transformer windings and any DC resistance of an inductive device.

Features:

• Controlled by high speed SCM, easy to use.
• Selectable current positions, large measurement range, suitable for the DC resistance values measuring of large-medium transformers. 
• Full protection functions to ensure safety and availability.
• Auto discharging and discharging indicator. 
• Intelligent power management technology, small consumption, less heating.
• True color LCD screen.
• Built-in thermal printer.
• 1000 groups’ data storage no lost even power failure.
• RS232 and USB interface, easy communicate with PC and U disk.

Specifications:

• Output current: <5mA, 40mA, 200mA, 1A, 5A, 10A, 20A
• Max.resolution: 0.1μΩ
• Measuring range: 100μΩ~1Ω     (20A)    

500μΩ~2Ω     (10A)

1mΩ ~  4Ω     (5A)     

2mΩ ~  8Ω     (2.5A)