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HIOKI IR4056 Insulation Tester

HIOKI IR4056 Insulation Tester New
  • 5 ranges from 50 to 1000 V
  • 600 V AC/DC meter
  • 200 mA continuity check.

Product Details

HIOKI IR4056 Insulation Tester 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 Excluding IR4056-21

Key Features
• 5-range testing voltage of 50 V/100 MO to 1000 V/4000 MO
• 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

Basic Specifications
Rated output voltage : 1000 V DC

Effective maximum indicated value : 4000 MO

Accuracy 1st effective measuring range MO : ±2 % rdg. ±2 dgt.
0.200 - 1000

Lower limit resistance : 1 MO

Overload protection : 660 V AC (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 (based on in-house testing)

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 (Comparator off, backlight off, 500 V range, no load)
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 : [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

Product Description

HIOKI IR4056 Insulation Tester is a 5-Range, 50 to 1000V digital insulation tester with continuity check. Stable & medium-speed digital readings, 0.8 second response time of PASS/ FAIL decisions. Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand (Also available in the IR4056-21).

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