Hioki IR4053-10 Digital Insulation Tester 1000V

Hioki IR4053-10 Digital Insulation Tester 1000V

The Hioki IR4053-10 is a multi-function digital insulation tester featuring a dedicated PV Ω function that allows insulation measurement on photovoltaic systems even while they are online. With five test voltages from 50V to 1000V and a 4000MΩ range, it combines standard insulation testing with PV-specific capability in one drop-proof instrument.

Key Features

• Five test voltages: 50V, 125V, 250V, 500V, 1000V
• Effective maximum indicated value up to 4000 MΩ
• Dedicated PV Ω function (500V/2000MΩ and 1000V/4000MΩ) for online PV systems
• Comparator with PASS/FAIL decision (response 0.8s; PV mode 4s)
• DC voltage measurement up to 1000V, AC voltage up to 600V
• CAT III 600V safety rating, drop-proof
• 5 ranges; LR6 alkaline battery ×4, approx. 20 hours operation

Included Accessories

TEST LEAD L9787, neck strap, LR6 alkaline battery ×4, instruction manual.

Applications

Insulation testing of general electrical equipment and, with the PV Ω function, insulation measurement on photovoltaic systems that cannot be taken offline.