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Insulation Tester, with Bluetooth, Test Voltage 50 V to 1 kV, High-Speed & Bar-Graph Display, 600 V

HIOKI IR4058-20
HIOKI IR4058-20
HIOKI IR4058-20
HIOKI IR4058-20

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Technical Datasheet:
IR4058-20   Datasheet
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Product Information

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Digital Megohmmeter

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

200kohm to 4Gohm








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Technical Documents (4)

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

IR4058-20 is a 5-range, 50V to 1000V digital insulation resistance tester with bargraph and delivers 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
  • Digital bar graph, bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand
  • Measured values held on display are sent immediately to smartphone via Bluetooth® Smart technology
  • Stable & high-speed digital readings, 0.3 second response time for PASS/ FAIL decisions
  • Drop proof onto concrete from 1m (3.28feet)
  • Continuity check via 200 mA 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.

No Longer Manufactured

£396.00 ( ex VAT  ) £475.20 ( inc VAT )

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