JYR-50B series tester use third generation constant-current power supply, high efficiency with longer working life, output voltage is high (DC30V) that make faster charging speed, measurement scope is wide and equipped with colorful LCD screen.
FUNCTION INTRODUCTION:
1. Select third generation constant current technology, high efficiency and long life.
2. Measuring scope of 0~24Ω.
3. Charging voltage of the instrument is improved to 30V that lead to faster charging speed.
4. Protection function for transformer from breakage and arcing.
5. With protection function from mis-connection to AC380V.
6. With audio discharging alarm device.
Technology Specification:
Tester type |
50B |
40B |
20B |
Scope of application |
Large-medium transformer |
Large-medium transformer |
Transformer below 240MVA |
Output current |
50A/20A/10A/3A/1A |
40A/20A/10A/3A/1A |
20A/10A/3A/1A |
Test range |
0~24Ω |
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Accuracy |
0.2%±0.1μΩ |
0.2%±0.1μΩ |
0.2%±0.2μΩ |
Minimum resolution |
0.1μΩ |
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Output voltage |
DC30V |
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Power supply in operation |
AC220V±10%, 50Hz±1Hz |
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Temperature in operation |
-20~40℃ |
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Relative humidity |
≤80%RH, No forming dew |
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Volume |
Length 420mm Width 320mm Height 200mm |
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Net weight |
11.8KGS |
Field of application: