Replaced with IR4057-50 Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4057 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. CAT III 600 V Key Features • 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ • Digital bar graph • Stable & high-speed digital readings, 0.3 second response time for 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 (Option L9788-11 or L9788-10) • Continuity check via 200 mA testing • Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles
THIS MODEL HAS BEEN DISCONTINUED BY THE MANUFACTURER
Directly record to SD cards or internal memory for weeks of continuous monitoring without data loss. [Placeholder text box for custom product feature highlights populated later]
Power Parameters is the official authorized Australian service and technical support facility. We provide traceable calibration, certified warranty repairs, scheduled maintenance, and genuine OEM parts from our climate-controlled laboratory in Westmeadows, Victoria, as well as on-site calibration across Australia.
Model: IR4057-20
