... petroleum,petrochamical,power,pharmaceutical,chamical engineering industry.Compared to the glass thermometer,it is more convenient and inexpensive.And it can read ... STAINLESS STEELBezel: Stainless SteelWindow: Glass Bulb: Copper alloy, adjustable at end Pocket: Brass, friction at axial of thermometer case, fixing by screw ... 10VA (max electric current 1A,max voltage 22V) Bimetal Thermometer Manometer