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Hioki IR4057-50 Insulation Tester

Hioki IR4057-50 Insulation Tester

Brand
Hioki
Model number
IR4057-50

5-range insulation tester, 50 V/100 MΩ to 1000 V/4000 MΩ, with digital bar graph and 0.3 s PASS/FAIL response, plus voltage and low-resistance checks. Z3210 wireless adapter sold separately.

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Key features

  • Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file. (Wireless Adapter Z3210 is necessary)
  • 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
  • Digital bar graph
  • Stable & high-speed digital readings, 0.3 second response time for 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 (Option L9788-11 or L9788-10)
  • Continuity check via 200 mA testing
  • Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles

Specifications

Specifications
Rated output voltage50 V DC / 125 V DC / 250 V DC / 500 V DC / 1000 V DC
Effective maximum indicated value100 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 resistance0.05 MΩ / 0.125 MΩ / 0.25 MΩ / 0.5 MΩ / 1 MΩ
Overload protection600 V AC (10s) / 660 V AC (10s)
DC voltage range4.2 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 range420 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 rangeFor 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)
DisplaySemi-transmissive FSTN LCD with back lighting, bar-graph indicator
Response timeApprox. 0.3 second for PASS/FAIL decision (based on in-house testing)
Other functionsIndicate MΩ measurement value after a lapse of one minute, Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save
Power supplyLR6 (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)
Dimensions and mass159 mm (6.26 in.) W × 177 mm (6.97 in.) H× 53 mm (2.09 in.) D, 640 g (22.6 oz.) (including batteries, excluding test leads)
Supplied with
ContentsConnection cable L4930 ×1, Alligator clip set L4935 ×1, Test pin set L4938 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4
Ordering
Order codeIR4057-50 (Wireless Adapter Z3210 not included)

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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