ZXR-40A
- 3 -
is provided with panel type printer and large-capacity non-volatile memory, so the measurement
results can be stored and printed out easily. With good stability in data testing, speediness and
perfect repeatability, it is the best choice for the on-site measurement of DC resistance of
transformer
2. Performance Index
Testing current
Single phase: 1A 5A 10A 20A 40A
Three phase: 1A 5A 10A 20A
Measurement
scope
Single phase: 1A
10 mΩ
～
20Ω
5A
1 mΩ
～
4Ω
10A
1 mΩ
～
2Ω
20A
1 mΩ
～
1Ω
40A
1 mΩ
～
0.5Ω
Three-phase: 1A
10 mΩ
～
6Ω (each phase) 5A 1 mΩ
～
1Ω (each phase )
10A
1 mΩ
～
0.6Ω (each phase )
20A
1 mΩ
～
0.3Ω (each phase )
Measurement
accuracy
±0.2% (Full span ) ± 2 words
Maximum
resolution
0.1μΩ
Data storage
capacity
150 groups
Power supply
AC 220V±22V, 50Hz±2 Hz
Working
environment
Ambient temperature: 0°
～
40°
Relative humidity :≤80%
3. Panel Description
The panel of DC resistance tester is shown in the figure below:
