The Extech TP200 type K pipe clamp temperature probe produces a hands free, super heat and sub cooling temperature measurement. The spring-loaded jaw is for a secure grip on pipes from 0.25 in (6.35 mm) to 1.5 in (38 mm) in diameter. This probe is for use with any thermometer or multimeter with a type K thermocouple input. The measurement range is from -4 to 200 deg F with an accuracy of +/-3.6 deg F. The Extech TP200 type K pipe clamp temperature probe comes complete with an attached 36 in (0.9 m) cable and a type K connector.