Mengshen Pipe Temperature Clamp, K-Type Probe Thermocouple Sensor, -40 to 392 &deg;F(-40 to 200 &deg;C) M05 Pipe Clamp: This temperature clamp sensor is specially designed to measure pipe temperature. Compact & easy to use: 4 1/2" H3" W3/4" D Temperature range: -40 to 392 F(-40 to 200 C) Jaw Range: 1/4" (6.35mm) to 1-3/8" (up to 35mm) diameter. Application: Work with multimeters, clamp Meters and thermometers that accept a type K temperature probe, reliable measurement tool for HVAC.