EXTECH Extech 420 user manual

Update: 01 October, 2023

This manual introduces the functions and usage of Extech 420 (part number EX420) Autoranging Multimeter. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode Test, and Continuity plus Thermocouple Temperature. Proper use and care of this meter will provide many years of reliable service.


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MD5 Checksum: A3414CFB36785668E97E797E87A8A939

Publication date: 01 August, 2012

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