Detailed Product Description Industrial ThermometerRange: -40~600 celsius degree Case: 3", 4", 5",6"Inlet thread: 3/8", 1/2", NPT ,BSPT, BSP or according to customers orderConnection: stainless steel. adjustable connectionStem diameter(mm):Ø6-Ø12Stem length:2-1/2" ~24" or according to customer orderAccuracy: 2%, 1.5% Remarks: The stainless steel pocket is alternative for using.