description 80pk-8 type-k, pipe clamp temperature probe the 80pk-8 type k thermocouple pipe clamp temperature probe is designed to reliably measure the temperature of pipes 1/4 in. (6 mm) to 1-3/8 in. (35 mm) in diameter, at temperatures between -29 a°c and 149 a°c (-20 a°f and 300 a°f), while retaining a long service life. california proposition 65 warning. features type-k thermocouple for fast temperature and superheat measurements of pipe surfaces durable ribbon sensor measurement range: -29 to 149 °c (-20 °f to 300 °f) for pipe diameters from 6.4 to 34.9 mm accuracy: ±1.9 °c (±.3.4 °f). surface measurement accuracy of ±1.9 °c includes ±1.1°c variation in alloy plus probe contact and shunting uncertainty of ±0.8 °c repeatability: ± 0.56 °c (±1 °f) output: @ 25 °c (77 °f) = 1.00 mv (reference junction at 0 °c) seebeck coefficient: @ 25 °c (77 °f) = 40.50 μv / °c measurement time (time constant): 0.5 seconds (5 time constants = 1 complete step change, i.e. 2.5 seconds) maximum voltage rating: 24 v ac rms, or 60 v dc specifications acme tools brand name fluke acme tools part number 80pk-8 additional contents cable insulation---material: pvc; maximum temperature: 105 °c (220 °f); minimum temperature: -29 °c (20 °f) assembled weight (lbs) 1.45 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00095969040778 internal supplier part # 200360 internet product code (ipc) b530f38572c manufacturer warranty 1 year package contents cable insulation---material: pvc; maximum temperature: 105 °c (220 °f); minimum temperature: -29 °c (20 °f) package quantity 1 package weight 1.45 package weight (lbs) 1.45 probe length (in) 1.38 test lead probe ends pipe clamp, type k; mini-thermocouple connector with 7.925 mm (0.312 in) pin spacing upc 095969040778