Features:
- AC / DC high voltage, insulation resistance, grounding resistance, leakage current, low start and power test can be done with a single key.
- With DSS (Digital Signal Synthesis) technology, it produces a correct, stable, clean and low distortion sine wave signal.
- The power is shown on the display while the leakage current test is being performed.
- Adjustable high voltage rise and fall time is adapted to the requirements of different test samples.
- Two different ARC sensing: current and step.
- Test results can be synchronized to save and support detailed and complete statistics
- Frequency range: 50Hz / 60Hz
- OSC
- Supports a maximum of 12 characters for file name input.
- New, Delete and Jump shortcuts for both file and test step.
- Supports high-capacity storage: 50 files x 40 steps, 25 files x 80 steps.
- Keyboard lock prevents changing the parameter set.
- Supports RS232 / RS485, PLC, GPIB, USB interface, optional scan code gun.
Technical Parameters
High Voltage Test
| Mod | Out put Volt age (kV) | Test Cur rent (mA) | Accu racy | Test Time (s) |
Fre queny (Hz) |
Arc Detec tion (mA) |
| MT- 9940 NE | 0.250~ 5.000 / 6.000 | 0- 20.00 / 10.00 ( AC / DC) | ± ( 2 % + 2 ) | (0.0- 999.9) | 50/60 | 0~20 (AC). 0~9 grade |
| MT- 9940 N-100E | 0.250 ~ 5.000 / 6.000 | 0- 100. 00 / 10.00 ( AC / DC ) | ± ( 2 % + 2 ) | 0.0- 999.9 | 50/60 Hz | 0~20 (AC). 0~9 grade |
| MT- 9940 N-L/PE | 0.250 ~ 5.000 / 6.000 | 0 – 20. 00 (AC) | ± ( 2 % + 2 ) | 0.0- 999.9 | 50/60 | 0~20 (AC). 0~9 grade |
Insulation Resistance Test
| Mod | Out put Volt age | Resis tance Range | Accuracy | Test Time |
| MT- 9940 NE | ( 500 / 1000 ) V (DC) | 1M Ω- 10.0 GΩ | ±(2%+2) | (0.0- 999.9)s |
| MT- 9940 N-100E | ( 500 / 1000 ) V(DC) | 1M Ω- 10.0 GΩ | ±(2%+2) | (0.0- 999.9)s |
| MT- 9940 N-L/PE | ( 500 / 1000 ) V(DC) | 1M Ω- 10.0 GΩ | ±(2%+2) | (0.0- 999.9)s |
Leakage Current Test
| Mod | Out put Volt age | Current Range | Accuracy | Test Time |
| MT- 9940 NE | (30.0- 300.0) V | 0~ 20.00 mA(AC) | ± (2%+2) | (0.0- 999.9)s |
| MT- 9940 N-100E | (30.0- 300.0) V | 0~ 20.00 mA(AC) | ± (2%+2) | (0.0- 999.9)s |
| MT- 9940 N-L/PE | (30.0- 300.0) V | 0~ 20.00 mA(AC) | ± (2%+2) | (0.0- 999.9)s |
Grounding Resistance Test
| Mod | Trans former | Resis tance Range | Accu racy | Test Time | Out put Volt age | Test Cur rent |
| MT- 9940 NE | (3.00 ~ 32.00 )A | (0.0- 510.0) m Ω | ± ( 2 % + 2 ) | (0.0- 999 .9 ) s | (0. 000- 15.00 ) A | |
| MT- 9940 N-100E | (3.00 ~ 32.00 )A | (0.0- 510.0) mΩ | ± ( 2 % + 2 ) | (0.0- 999 .9 ) s | (30.0- 300 .0 ) V | ( 0. 000 – 15.00 ) A |
| MT- 9940 N-P/LE | (3.00 ~ 32.00 )A | (0.0- 510.0) mΩ | ± ( 2 % + 2 ) | (0.0- 999. 9 ) s | (30.0 – 300 .0 ) V | ( 0. 000 – 15.00 ) A |
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