Feature: 1. Temp Measuring: The HVAC temperature clamp with -40~150℃, that is, -40~302℉ temp measuring range will surely meet your working needs. 2. Firm in Fixing: Comes with 4cm maximum clamping range and spring structure, the pipe clamp probe ensures firm fixing without slipping. 3. Better Designs: 4 pin connector enables secure connection, just plug and play.The 1.5cm long cable makes the connection more flexible. 4. Broad in Using: Used in various HVAC applications to measure the temperature of air conditioning circuits and boilers or refrigerants. 5. Great Material: Adopting flame retardant PC material, the temperature clamp sensor has stable work performance under high heat. Specification: Item Type: HVAC Temperature Clamp Model: HS-TS-1500 Temperature Measurement Range: -40~150℃, that is, -40~302℉. Connector Type: 4 Cores Maximum Clamping Range: Approx. Approx. 4cm / 1.57in Connector Inner Diameter: Approx. 8mm / 0.31in Line Length: Approx. 1.5m / 4.92ft. Package List: 1 x HVAC Temperature Clamp Note: Match the appropriate temperature range before use.