IR4056-20
IR4056-20
Hioki
Insulation Tester, 5 Test Voltage ranges 50 - 1000V
Hioki's Most Popular Model Offering Reading Stability in Medium-speed Digital Format
Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4056 is a 5-range, 50V to 1000V digital insulation resistance tester with efficient functions and features to help shorten work time associated with field insulation testing.
CAT III 600 V
Key Features
- 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
- Stable & medium-speed digital readings, 0.8 second response time of PASS/ FAIL decisions
- Drop proof onto concrete from 1m (3.28 feet)
- Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand (Also available in the IR4056-21)
- Continuity check via 200 mA testing
- Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles
Click below to request a quote for this item. Or for product advice, stock and lead time enquiries call our team on 0330 313 3220.
| Attribute | Value |
|---|---|
| Power Supply |
LR6 (AA) alkaline batteries × 4, Continuous use: 20 hours (based on in-house testing) 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) |
| Included Accessories |
[IR4056-20] Test lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 |
| 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 |
| Rated Output Voltage |
50 V DC |
| DC Voltage range |
4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges, |
| AC Voltage range |
420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz, |
| Accuracy 1st effective measuring range MΩ (±4% rdg.) |
±2 % rdg. ±2 dgt. ±2 % rdg. ±2 dgt. ±2 % rdg. ±2 dgt. ±2 % rdg. ±2 dgt. ±2 % rdg. ±2 dgt. |
| 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) 600 V AC (10s) 660 V AC (10s) |
| Effective Maximum Indicated Value |
100 MΩ |
| 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) |
| Attribute | Value |
|---|---|
| Data Sheet | Click here to view |
