Hioki IR 4056 Digital Insulation Resistance Tester

Hioki IR4056 Digital Insulation Resistance Tester

Rugged, Fast, and Reliable Megohmmeter for Field Testing

Hioki insulation testers are known for their all-in-one, field-ready design with integrated rugged cases and convenient test lead storage. The IR4056 delivers efficient, accurate, and safe insulation resistance testing with multiple voltage ranges, fast PASS/FAIL judgments, and durability designed for tough work environments.

Key Features

5 Voltage Ranges: From 50 V / 100 MΩ up to 1000 V / 4000 MΩ, covering a wide spectrum of insulation tests.

Continuity Testing: 200 mA testing current for reliable continuity checks.

Drop-Proof Ruggedness: Withstands falls from 1 m (3.28 ft) onto concrete.

Fast Response: PASS/FAIL judgments in 0.8 seconds for efficient field work.

Built-In Voltmeter: AC/DC voltage measurement included—ideal for solar PV systems and electric vehicle applications.

Enhanced Visibility: Bright LED, luminous LCD, and test leads with LED lamps (IR4056-21 variant) for clear readings in dark environments.

Compact & Practical: Built-in case with storage compartment for easy portability and protection.

Applications

Electrical installation and maintenance testing

Solar power system insulation checks

Electric vehicle insulation testing

Factory and industrial equipment diagnostics

Field service work requiring fast and reliable insulation resistance measurement