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The AT688 High Resistance Meter is instrument that adopts high-performance ARM microprocessor. The voltage applied to the device under test (DUT) is programmable from 1 to 1000 volts. A pass/fail indicator provides a visual display of test results based on a preset limit.
The AT688 High Resistance Meter is designed for measuring very high resistance and related parameters of insulation materials, electronic components, and electro-mechanical components.
| Parameters | Leakage current and insulation resistance |
| Output Voltage | (NC)1V~1000VDC |
| Accuracy | <10G: 3% ≥10G: 5% ≥100G: 10% |
| Measurement Range | 100k-10TΩ(105 ~1013 Ω) |
| Display Max | 20000 digits |
| Range | Automatic and Manual |
| Speed | 100 times/second,55 times/second,3 times/second |
| Adjustment | Open-circuit Zero-Adjust for each range |
| Result Display; | Show, current, resistance, peak value, sorting results |
| Charging Timer | 999.9s |
| Comparator | 30 sets record,GD/NG Beep:GD,NG,OFF setting. |
| Interface | RS-232C Handler USB |
| Others | LCD display screen,up counter and count down can be set for timer |
| Power Supply | 198VAC～240VAC Frequency:50Hz Power: Max 30VA |
| Demensions | 264mm(W)*107mm(H)*350mm(D) |
| Weight | 5kg |
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