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Product Discontinued by Manufacturer

Extech Instruments Insulation Tester has been discontinued by Extech Instruments and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Tools yourself to try and find the perfect replacement for you!

Product Info for Extech Instruments Insulation Tester

This manual ranging insulation tester offers three test voltages 250V, 500V, and 1000V. It measures insulation resistance to 400 MOhm. The tester features a large, easy-to-read analog display, which quickly and accurately indicates the weld insulation or residual current path between test points. The lock-off feature prevents the test from being accidentally turned off during a test. The 1000V model features a neon test light and beeper for increased visibility. Complete with heavy duty test leads, alligator clip, test lead, alligator clip, 6 x AA batteries, hanging strap and hard carrying case.image

Features of Extech Instruments Insulation Tester

  • Manual ranging insulation tester with 250V, 500V, and 1000V test voltages Large easy to read analog display Three test voltages 250V, 500V, and 1000V Insulation resistance to 400 MOhm Lock power On feature for extended test times

Package Contents:

  • Extech Instruments Insulation Tester
  • Complete with heavy duty test leads alligator clip test lead 6 x AA batteries hanging strap and hard carrying case

Related Products to Extech Instruments Insulation Tester

Extech Instruments Insulation Tester Unavailable & Discontinued Models

List of Unorderable Models

  • Extech Instruments Insulation Tester, Megohmmeter, 380360 , MPN: 380360 , UPC: 793950383605 , Code: EXT-TL-ISLTNTSTR-380360
  • Extech Instruments Insulation Tester, Analog, 380320 , MPN: 380320 , UPC: 793950803202 , Code: EXT-TL-ISLTNTSTR-380320
  • Extech Instruments Insulation Tester, Dig. High Voltage, 380363 , MPN: 380363 , UPC: 793950383636 , Code: EXT-TL-ISLTNTSTR-380363
  • Extech Instruments Multimeter w/NIST, 380360-NIST , MPN: 380360-NIST , UPC: 793950383612 , Code: EXT-TL-ISLTNTSTR-380360-NIST
  • Extech Instruments Insulation Tester, High Voltage/120Vac, 380395 , MPN: 380395 , UPC: 793950803950 , Code: EXT-TL-ISLTNTSTR-380395
  • Extech Instruments Insulation Tester, High Voltage/220V, 380396 , MPN: 380396 , UPC: 793950803967 , Code: EXT-TL-ISLTNTSTR-380396
  • Extech Instruments Insulation Tester With Nist 380396, 380396-NIST , MPN: 380396-NIST , UPC: 793950813966 , Code: EXT-TL-ISLTNTSTR-380396-NIST
  • Extech Instruments Insulation Tester With Nist 380395, 380395-NIST , MPN: 380395-NIST , UPC: 793950813959 , Code: EXT-TL-ISLTNTSTR-380395-NIST
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Last updated 2026-10-25 UTC.