Hioki IR4057-20 Digital Insulation Resistance Tester
| Brand | Hioki |
| MPN | IR4057-20 |
| Model SKU | Hioki IR4057-20 High-Speed Digital Insulation Tester |
| Test Voltages | 5 Ranges: 50V, 125V, 250V, 500V, 1000V (Up to 4000 MΩ range) |
| Testing Speed | Ultra-fast 0.3 second response time for PASS/FAIL decision (Comparator) |
| Multimeter Functions | AC/DC Voltage (up to 600V) useful for solar/EV testing; Continuity (200 mA) |
| Display & Indicators | Bright semi-transmissive FSTN LCD; Live circuit indicator; Auto discharge |
| Durability | Drop-proof onto concrete from 1 meter (3.28 feet) |
| Battery Life | Approx. 20 hours continuous use (4x AA Alkaline batteries) |
| Warranty | 3 Year Manufacturer Warranty |
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