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HoldPeak HP-6688F Insulation Resistance Tester 6688F Protable Digital 1000V 2500V Auto Range ohm tester .

| Brand Name | HoldPeak |
| Color | Dark Grey + Blue |
| Material | ABS |
| Display | 1999 |
| Resistance Range | 1MΩ~20GΩ |
| Testing Voltage | DC250V/500V/1000V/2500V |
| Insulation Range | 250V |
| 1MΩ; 500V | 1MΩ;1000V |
| 2MΩ; 2500V | 2MΩ |
| Accuracy | 1MΩ~200MΩ |
| ±(3% of rdg + 5 digits); 200MΩ~10GΩ | ±(5% of rdg + 5 digits); 10GΩ~200GΩ |
| ±(10% of rdg + 5 digits) | |
| AC Voltage Test | 750V; |
| Accuracy | ±(2% of rdg + 5 digits) |
| Resolution | 1V |
| Frequency Response | 40~400Hz |
| Display | 68 * 55mm LCD with Backlight |
| Max. Display | "1999" |
| Operating Temperature | 0~40°C |
| Operating Humidity | <80%RH |
| Storage Temperature | -10~50°C |
| Storage Humidity | <85%RH |
| Power Supply | 6 * 1.5V AA Batteries(NOT Included)) / AC 110V or 220V Power Adapter(NOT Included) |
| Product Size | Approx. 21.8 * 12.2 * 7.5cm / 8.58 * 4.80 * 2.95in |
| Product Weight | Approx. 753g / 26.56oz |
| Package Size | Approx. 26.5 * 23.5 * 7.9cm / 10.43 * 9.25 * 3.11in |
| Package Weight | Approx. 1231g / 43.42oz |






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