Detailed Product Description Temperature gaugeRange: -40~600 celsius degreeCase: stainless steelDiameter: 4"Inlet thread: 3/8", 1/2" NPT ,BSPT, BSP or according to customers orderConnection: stainless steel. bottom connectionStem diameter(mm):Ø6-Ø12Stem length:2-1/2" ~24" or according to customer orderAccuracy: 2%, 1.6% ,1%