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HIOKI INSULATION TESTER IR4056-21

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HIOKI INSTRUMENTS IR4056-21
UOM: PC
Price w/GST:
$342.40


Order by 12pm Tuesday, 19 Dec, earliest delivery Friday, 22 Dec

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

Rated output voltage 50 VDC 125 VDC 250 VDC 500 VDC 1000 VDC
Effective maximum indicated value 100 MO 250 MO 500 MO 2000 MO 4000 MO
Accuracy 1st effective measuring range MO ±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 MO 0.125 MO 0.25 MO 0.5 MO 1 MO
Overload protection AC 600 V (10s) AC 1200 V (10s)
DC voltage measurement 4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges, 
  Accuracy: ±1.3 % rdg. ±4 dgt., Input resistance: 100 kO or higher
AC voltage measurement 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 kO or higher, Average rectifier
Low resistance measurement For checking the continuity of ground wiring, 10 O (0.01 O resolution) to 1000 O (1 O resolution), 3 ranges, Basic accuracy: ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 O or less)
Display Semi-transmissive FSTN LCD with back lighting, bar-graph indicator
Response time Approx. 0.8 second for PASS/FAIL decision (at Hioki's conditions)
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 (at Hioki’s conditions)
  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)
Accessories Test Lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4
Name File Type Size Download
Hioki 4056-20 Manual .pdf 3 MB
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