KEW 3128 HIGH VOLTAGE 12000v INSULATION TESTER
Description
• Microprocessor controlled high voltage insulation resistance tester with Diagnostic functions.
• Suitable for analyzing the insulation characteristics of cables, transformers, motors, generators, high-pressure switches, insulators, wiring installations, etc.
• 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V, 12000V
Fine adjustment of voltage setting at each range is also possible
• Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight.
• Can be operated from built-in rechargeable battery or from AC line.
• Automatic discharge after test with monitoring of the discharge voltage.
• Internal memory can store about 43,000 data (max).
• Robust design for field use with IP64 rating (with lid closed).
Insulation resistance (*): Accuracy is not guaranteed with setting of 250V or less
Rated voltage |
500V |
1000V |
2500V |
5000V |
10000V |
12000V |
Max measurement value |
500GΩ |
1TΩ |
2.5TΩ |
5TΩ |
35TΩ |
|
Accuracy |
400k~50GΩ ±5%rdg±3dgt |
800k~100GΩ 5%rdg±3dgt |
2M~250GΩ ±5%rdg±3dgt |
4M~500GΩ ±5%rdg±3dgt |
8M~1TΩ ±5%rdg±3dgt |
|
50.1G~500GΩ |
101G~1TΩ |
251G~2.5TΩ |
501G~5TΩ |
1.01T~10TΩ |
||
10.1T – 35TΩ |
||||||
Short circuit current |
Max 5.0mA |
|||||
Load resistor to output rated voltage |
0.5MΩ or more |
1MΩ or more |
2.5MΩ or more |
5MΩ or more |
20MΩ or more |
24MΩ or more |
Output voltage
Rated voltage |
500V |
1000V |
2500V |
5000V |
10000V |
12000V |
Monitor accuracy |
±10%±20V |
±10%±20V |
±10%±20V |
±10%±20V |
±10%±20V |
±10%±20V |
Output accuracy |
0 – +20% |
0 – +10% |
0 – +10% |
0 – +10% |
-5 – +5% |
-5 – +5% |
Selectable range |
50 – 600V |
610 – 1200V (in steps of 10V) |
1225 – 3000V (in steps of 25V) |
3050 – 6000V (in steps of 50V) |
6100 – |
10100 – 12000V (in steps of 100V) |
Voltage measurement
Measuring range |
DCV:±30 ~ ±600V、ACV:30 ~ 600V (50/60Hz) |
Accuracy |
±2%rdg±3dgt |
Current measurement
Measuring range |
5.00nA – 2.40mA (Depending on the insulation resistance) |
Capacitance measurement
Measuring range |
5.0nF ~ 50.0μF |
5.0nF – 1.0µF (display range: 5.0nF – 50.0µF) (10000V/12000V) |
Accuracy |
±5%rdg±5dgt |
General
Applicable standards |
IEC 61010-1 CAT IV 600V Pollution degree 2, |
Operating temperature & humidity range |
-10ºC – Relative humidity 85% or less |
Storage temperature & humidity range |
-20ºC – 60ºC / Relative humidity 75% or less (no condensation) |
Power source |
Rechargeable Lead storage battery (12V)* |
Dimensions |
330 (L) × 410 (W) × 180 (D) mm *Instrument and Hard case |
Weight |
9kg approx. (including battery) *Instrument and Hard case |
Included Accessories |
7170 (Main cord), 7224A (Earth cord), 7225A (Guard cord), 7226A (Line probe), |
Optional Accessories |
7254 (Longer Line probe with alligator clip) |
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