description

hioki insulation testers or megohmmeters feature all-in-one designs including　built-in rugged cases and test lead storage compartments.　the ir4057-90 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

• wireless support. transfers measurements to your smartphone or tablet and allows you to quickly create reports with field photos and drawings. (optional wireless adapter z3210 is necessary)
• wirelessly transfer measurement data to excel forms for input (will be supported by the 2021 upgrade)
• 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