description pipe clamp temperature probe kit the 80pk-18 pipe clamp temperature probe kit combines the standard 80pk-8 pipe clamp with the larger sized 80pk-10 pipe clamp, to give you a full range of measurement sizes. the type k, thermocouples clamp securely to pipes for fast temperature and superheat measurement. the included soft carrying case allows you to conveniently keep both clamps close by for any situation. california proposition 65 warning. features type-k thermocouple for fast temperature and superheat measurements of pipe surfaces for pipe diameters 6.4 mm to 64 mm (0.25 in. to 2.5 in.): 80pk-8 - 6.4 mm to 34.9 mm (0.25 in. to 1.375 in.); 80pk-10 - 32 mm to 64 mm (1.25 in. to 2.5 in.) measurement range: -29 °c to 149 °c (-20 °f to 300 °f) measurements are repeatable to 0.56 °c (1 °f) durable ribbon sensor one year warranty specifications acme tools brand name fluke acme tools part number 80pk-18 additional contents 1-meter (39-inch) lead assembled weight (lbs) 0.372 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00095969493826 internal supplier part # 3448859 internet product code (ipc) ae36bdcbcba manufacturer warranty 1 year package contents 1-meter (39-inch) lead package quantity 1 package weight 1.9 package weight (lbs) 1.9 probe length (in) 2.5 test lead probe ends pipe clamp, type k upc 095969493826