kyoritsu 3125 High Voltage Insulation Tester
Wide range measurements from 500V to 5000V and up to 1000GΩ.
• Large digital display with Bar Graph indication and back light.
• Polarization Index measurement (PI).
• Timer measurement function.
• Indication of Output voltage and Discharge voltage.
• Auto-discharge function and Voltage output warning function.
• Auto power off and Battery Check.
• Safety standard IEC 61010-1 CAT.III 600V
Range | Insulation resistance | Voltage
measurement |
500V | 1000V | 2500V | 5000V | AC/DC V |
Measuring range | 0.0~99.9MΩ
100~999MΩ | 0.0~99.9MΩ
100~999MΩ
1.00~1.99GΩ | 0.0~99.9MΩ
100~999MΩ
1.00~9.99GΩ
10.0~99.9GΩ | 0.0~99.9MΩ
100~999MΩ
1.00~9.99GΩ
10.0~99.9GΩ
100~1000GΩ
(1TΩ) | 30~600V
AC/DC
[50/60Hz] |
Accuracy | |±5%rdg|±3dgt | |±5%rdg|±3dgt | |±5%rdg|±3dgt | |±5%rdg|±3dgt
|±20%(100GΩ or more) | |±2%rdg|±3dgt |
Short Circuit Current | 1.3mA approx. | ------- |
Rated test Current | 1mA to 1.2mA
at 0.5MΩ load | 1mA to 1.2mA
at 1MΩ load | 1mA to 1.2mA
at 2.5MΩ load | 1mA to 1.2mA
at 5MΩ load | ------- |
Open circuit voltage | 500VDC | 1000VDC | 2500VDC | 5000VDC | ------- |
Maximum display | 999 Counts (1000 counts only at 1000GΩ) | 630 Counts |
Current consumption | About 1000mA (During measurement) | 110mA approx. |
Withstand Voltage
Safety standard | 5320V AC for 5 seconds
IEC 61010-1 CAT.III 600V, pollution Degree 2 |
Power supply | DC12V : R14×8 |
Dimensions | 205(L) × 152(W) × 94(D)mm |
Weight | 1.8kg approx. |
Accessories | 7165A (Line probe)
7224A (Earth cord)
7225A (Guard cord)
8019 (Hook type prod)
9124 (Carrying case [Hard])
LR14×8pcs (Alkaline battery size)
Instruction Manual |
Optional | 7168A (Line probe with alligator clip)
7253 (Longer Line probe with alligator clip)
8302 (Adaptor for recorder) |
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