Extech 421502: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Extech 421502 Information the information about the Extech 421502 multimeter: Introduction The Extech 421502 is a dual input digital thermometer with a programmable high/low audible alarm. It features a high accuracy of 0.05%, min/max/average readings, data hold, relative function, and differential temperature measurement between Type J, Type K, or both J and K. It comes complete with two Type K bead temperature probes, protective holster with stand, and a 9V battery.