Detailed Product Description Thermo-pressure gaugeDiameter: 2-1/2", 3"Case: steel, plastic, stainless steelWindow: glass, plasticInternal: brassInlet thread: 3/8", 1/2", NPT ,BSPT, BSPConnection: center back male connectionRange: 0~150psi; 0~160 celsius degree.Scale: psi, bar, Mpa, Kpa, kg/cm2, Hg and , dual scale or according to customers order.Accuracy: 2.5%, 2%