Overview
Enviro Forest’s high voltage digital insulation resistance & AC voltage tester is designed for professional insulation and voltage testing in various electrical systems. It offers selectable test voltages of 100 V, 250 V, 500 V, 1000 V, and 2500 V, with a measuring range of up to 20.0 GΩ, ensuring precise insulation analysis. This device also supports AC voltage measurement up to 750 V and provides accurate readings with up to ± 10% accuracy. Featuring a digital display for clear data visualization and a portable, battery-powered design, it is ideal for field use in maintenance, troubleshooting, and safety checks.
Features
- Multiple selectable test voltages up to 2500 V
- Measures insulation resistance up to 20.0 GΩ
- AC voltage measurement up to 750 V
- Portable, battery-powered design
- Low short-circuit current for safety
- Clear digital display for easy reading
- Compact and lightweight for field use
- DAR function for insulation quality assessment
Technical Specifications
| Testing Voltage | 100V or 250V or 500V or 1000V or 2500V |
| Measuring Range | 5.0 GΩ, 5.5 GΩ or 20.0 GΩ |
| Voltage Output | 100V or 250V or 500V or 1000V or 2500V |
| AC Voltage Measurement | Up to 750 V |
| Accuracy Class | ± 10% |
| Short-Circuit Current | < 2 mA |
| DAR (Dielectric Absorption Ratio) | 60s to 15s and 60s to 30s |
| Power Supply | 1.5 V battery (LR6) x 6 |
| Operating Temperature | 32 °F to 104 °F (0 °C to 40 °C) |
| Dimensions | 5.91 in x 3.94 in x 2.80 in (150 mm x 100 mm x 71 mm) |
| Product Weight | 4.41 lb (2.0 kg) |









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