DESCRIPTION: Indication Range: -50°C up to +550°C (-63?F to +1022?F) Case Nominal Diameter: 3", 4", 5", 6" Case Material: Stainless Steel Temperature Probe Size: ?14mm X150mm, ?14mm X200mm Immersion Tube Length: =<20M Max Pressure: brass material of probe 1.6Mpa; stainless material of probe 6.3Mpa Threaded Connection: 1/2",1/4",1/8", 3/8", BSP, BSPT, NPT or according to customers requirements Accuracy: 1.6%