Extech AUT20 20A Current Tester


Extech AUT20 20A Current Tester is an automotive tester with ATC-blade connectors that plug directly into the fuse block for ease of use.

Extech AUT20 20A current tester is an automotive 20A current Tester and ATC fuse. The ATC-blade connectors plug directly into the fuse block for ease of use. Measuring range from 20A/48VDC (10 seconds max), 10mA resolution. Extech AUT20 20A Current tester includes one 12V A23G battery

    • ATC-blade connector plug into the fuse block
    • Measuring range: 20A/48VDC (10 seconds max)
    • 10mA resolution
    • 2.3ft (71cm) connector cable
    • ±(2% + 2 digits) accuracy
    • Includes one 12V A23G battery

Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Their single source strategy has made them the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, their products are trusted by the professionals and are put to the test every day.

With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech’s success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.

For many years, Extech’s catalog of handheld test equipment has offered an unsurpassed selection of test equipment (and accessories) for every application and budget. Not content with that, Extech continues to develop and launch innovative new meters that are known for convenient, multi-functional capabilities –replacing multiple meters with one—and meters with advanced features not found on most meters. As more users look for integration with mobile devices, Extech leads T&M companies with Bluetooth connectivity and innovative iOS and Android apps for use with a number of meters.

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