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Hioki Digital Insulation Tester IR4056-20
Specifications
| Country of Origin | Japan |
|---|---|
| Display | Semi-transmissive FSTN LCD with backlight / bar-graph |
| Brand | HIOKI |
| Power Supply | LR6 (AA) ×4 / 20h continuous use / 1000 measurements |
| Dimensions | 159 × 177 × 53 mm |
| Response time | ~0.8s for PASS/FAIL decision |
| Model | IR4056-20 |
| Accessories | Test lead / neck strap / manual / batteries |
| Weight | 600 g (excluding test leads) |
| AC Voltage (V) | 420/600 V / ±2.3 % rdg. ±8 dgt. / 100 kΩ+ input resistance |
| Overload Protection | 600 V AC (10s) |
| Functions | Live circuit indicator / auto discharge / DC/AC detection / comparator / drop proof / auto power save |
| DC Voltage (V) | 4.2–600 V / ±1.3 % rdg. ±4 dgt. / 100 kΩ+ input resistance |
| Low Resistance | 10 Ω–1000 Ω / ±3 % rdg. ±2 dgt. / 200 mA+ testing current |
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
- Continuity check via 200 mA testing
- Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles
Product Description
The 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.
Applications
- Properly Test Light Switches
Available on EnvMart, these Multimeters are designed for accurate measurement of voltage, current, and resistance in electrical circuits. Hioki Multimeters offer high precision and reliability, making them essential for electrical testing, diagnostics, and maintenance applications.
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Frequently Asked Questions
This model features a 5-range testing voltage from 50 V to 1000 V, with insulation resistance measurements from 100 MΩ to 4000 MΩ.
The response time for PASS/FAIL decisions is approximately 0.8 seconds.
It has a semi-transmissive FSTN LCD with a backlight and a bar-graph for easy reading.
This unit is powered by four LR6 (AA) batteries, providing up to 20 hours of continuous use and allowing for approximately 1000 measurements.
Included accessories are a test lead, neck strap, manual, and batteries.
The dimensions are 159 × 177 × 53 mm, and it weighs 600 g excluding test leads.
It provides overload protection for up to 600 V AC for a duration of 10 seconds.
Yes, it can measure AC voltage up to 600 V with an accuracy of ±2.3 % and DC voltage from 4.2 to 600 V with an accuracy of ±1.3 %.
The low resistance measurement range is from 10 Ω to 1000 Ω with an accuracy of ±3 %.
Yes, it includes a live circuit indicator, auto discharge, and drop proof design for added safety during use.
This model is suitable for testing light switches, as well as for applications in electrical testing, diagnostics, and maintenance.
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