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Insulation Tester, Test Voltage 50 V to 1 kV, Comparator Function, 600V AC/DC Meter, 0.2A Continuity

HIOKI IR4056-20
HIOKI IR4056-20
HIOKI IR4056-20
HIOKI IR4056-20
HIOKI IR4056-20
HIOKI IR4056-20

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Technical Datasheet:
IR4056-20   Datasheet
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Digital Megohmmeter

50V, 125V, 250V, 500V, 1kV

200kohm to 4Gohm








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Technical Documents (7)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Product Overview

IR4056-20 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.
  • 5-range testing voltage of 50V/100Mohm to 1000 V/4000Mohm
  • Stable & medium-speed digital readings, 0.8 second response time of PASS/ FAIL decisions
  • Drop proof onto concrete from 1m (3.28feet)
  • Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand
  • Continuity check via 200mA testing
  • Built in AC/DC voltage meter, useful for testing solar power generation systems & electric vehicles
  • Magnetic adapter 9804-02 for convenient connection (optional)
  • Dimension is 159mm (6.26in)W x 177mm (6.97in)H x 53mm (2.09in)D


Insulation resistance tester, Test lead L9787 X1, Neck strap X1, Instruction manual X1, LR6 (AA) alkaline batteries X4.

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£175.00 ( ex VAT  ) £210.00 ( inc VAT )

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