TENGLONG SEALING PRODUCTS MANUFACTORY,Website:://.tenglongsealings.com, YUYAO          YUYAO SUNPASS INTERNATIONALUNIVERSALLY ADJUSTABLE BIMETAL DIAL THERMOMETERDescription:Indication Range:  -40C up to 600CCase Nominal Diameter :2 1/2"; 3"; 4"; 5"; 6"Case Material:   Mild Steel; Stainless SteelImmersion Tube Diameters:Φ6mm to Φ12mmImmersion Tube Length:2 1/2" to 24"Connection :Center Back Male ConnectionInlet Thread:1/2"; 1/4"; 1/8"; 3/8"; BSP, BSPT NPT or according to customers requirements.Material For Immersion Tube and Thread:Brass, Steel, Stainless SteelAccuracy:1.6-1%