Fluke 80PK-10 Pipe Clamp Temperature ProbeFluke 80PK 10 Pipe Clamp Temperature Probe (Type K), extra large thermocouple clamps securely to larger pipes for fast temperature and superheat measurement. Type K thermocouple for fast temperature and superheat measurements of pipe surfaces For pipe diameters: 32 mm to 64 mm (1. 25 in to 2. 5 in) Measurement range: 29 C to149 C ( 20 F to 300 F) Measurements are repeatable to 0. 56 C (1 F) Durable ribbon sensor 1 m (39 in) lead One year warranty