The ATC1R, Type-K, pipe clamp thermocouple is used to take temperatures of pipes or any other cylindrical surface within its 1/8” to 3/4” jaw range. Using a pipe clamp thermocouple greatly facilitates taking superheat or subcooling measurements. Use the ATC1R for most refrigeration units. The ATC1R can be used with any of our meters that measure temperature and any thermometer accepting a Type-K thermocouple.