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HIOKI IR4056-20 Insulation Tester by HIOKI (SKU: PRD-1768587166283-hioki-ir4056-20-insu) — Verified genuine industrial tool available on IndustryGuru with fast dispatch across India.
| Rated output voltage | 50 V DC 125 V DC 250 V DC 500 V DC 1000 V DC |
| Effective maximum indicated value | 100 MΩ 250 MΩ 500 MΩ 2000 MΩ 4000 MΩ |
| Lower limit resistance | 0.05 MΩ 0.125 MΩ 0.25 MΩ 0.5 MΩ 1 MΩ |
| Overload protection | 600 V AC (10s) 660 V AC (10s) |
| DC voltage range | 4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges, |
| Accuracy | ±1.3 % rdg. ±4 dgt., Input resistance: 100 kΩ or higher |
| AC voltage range | 420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz, |
| Accuracy | ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier |
| Low resistance range for checking the continuity of ground wiring, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy | ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 Ω or less) |
| Detail | Display Semi-transmissive FSTN LCD with back lighting, bar-graph indicator. |
| Response time Approx. | 0.8 second for PASS/FAIL decision (based on in-house testing) |
| Detail | Other functions Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, drop proof, Auto power save. |
| Power supply LR6 (AA) alkaline batteries ×4, Continuous use | 20 hours (Comparator off, backlight off, 500 V range, no load) |
| Number of measurements | 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage) |
| Dimensions and mass | 159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 600 g (21.2 oz) (including batteries, excluding test leads) |
| Detail | Included accessories [IR4056-20] Test lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 |
| Detail | 3 Year |
Rated output voltage 50 V DC 125 V DC 250 V DC 500 V DC 1000 V DC Effective maximum indicated value 100 MΩ 250 MΩ 500 MΩ 2000 MΩ 4000 MΩ Lower limit resistance 0.05 MΩ 0.125 MΩ 0.25 MΩ 0.5 MΩ 1 MΩ Overload protection 600 V AC (10s) 660 V AC (...
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