The Extech TP200 pipe clamp temperature probe provides hands-free superheat/subcooling temperature measurement for any Extech thermometer or multimeter with a Type K thermocouple input. The spring-loaded jaw securely grips pipes from 0.25″ (6.35mm) to 1.5″ (38mm) diameter. The TP200 has a temperature range of -4 to 200°F (-20 to 93°C).