Zy-20a three-loop DC resistance tester

An overview,

My company's three loop dc resistance tester can realize three loop at the same time, three-phase automatic measurement, automatic three wire measurement, single phase measurement function, for YN, Y, and delta all kinds coupling transformer can realize automatic measurement, greatly improving the work efficiency, is the current domestic advanced dc resistance tester, resistance measuring instrument is ever updated products.

Two, technical indicators

Single-phase output of four current: 20A, 10A, 5A, 1A

Resolution: 0.1μ ω

Range: 0.2m ω -1 ω (20A grade); 0.5m ω -2 ω (10A grade);

10m ω -5 ω (5A); 20m ω -20 ω (1A file)

Accuracy: 0.2%

Ambient temperature: 0 ~ 40℃

Ambient humidity: <90%RH

Power supply: AC220V±10%, (50±1)Hz

Dimensions: 380×180×320mm

Weight: 11 kg