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TesterMeter-HIOKI INSULATION TESTER IR4056,Our Most Popular Model Offering Reading Stability in Medium-speed Digital Format
Key Features
|
Model No. (Order Code)
| IR4056-20 | Economic model |
|---|---|
| IR4056-21 | Economic model, Not CE marked |
Basic specifications
Accuracy guaranteed: 1 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 | |
| Accuracy 1st effective measuring range MΩ | ±2 % rdg. ±2 dgt. 0.200 - 10.00 | ±2 % rdg. ±2 dgt. 0.200 - 25.0 | ±2 % rdg. ±2 dgt. 0.200 - 50.0 | ±2 % rdg. ±2 dgt. 0.200 - 500 | ±2 % rdg. ±2 dgt. 0.200 - 1000 | |
| 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) | |||||
| 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) | |||||
| 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) | |||||
| Included accessories | [IR4056-20] Test lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 [IR4056-21] Test lead set with remote switch L9788-11 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 | |||||
