Hioki IR4056-20 Insulation Tester | APC Technology Group

IR4056-20

IR4056-20

Hioki

Insulation Tester

This product is available in 5-7 weeks

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
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Price £213.09
More Information
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
[IR4056-21] Test lead set with remote switch L9788-11 ×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
125 V DC
250 V DC
500 V DC
1000 V DC

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

Accuracy 1st effective measuring range MΩ (±4% rdg.)

±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)

600 V AC (10s)

660 V AC (10s)

Effective Maximum Indicated Value

100 MΩ
250 MΩ
500 MΩ
2000 MΩ
4000 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)
More Information
Attribute Value
Data Sheet Click here to view

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