Extech 421509: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Extech 421509 Information the information about the Extech 421509 thermocouple datalogger: Introduction The Extech 421509 is a dual-input thermocouple datalogger with a large backlit LCD display. It can measure temperatures from -200 to 1700 degrees Celsius (-328 to 3092 degrees Fahrenheit) in seven different thermocouple types. The datalogger can store up to 99,999 readings and has a built-in memory to save data even when the power is turned off. It also features programmable alarms for high and low temperatures, as well as a HOLD function and a REL mode for live assessment of temperature variations from a user-defined norm.