Detailed Product Description Bourdon Tube Pressure Gauge with Diaphragm(Dia. 63,75,100,150mm Acc.1,6) ... .St.Measure range-1000...-250mbar 0+25...+10000mbarConnection threadBrass, G1/4", G3/8", NPT, BSPT... Option: St.St.Brass, G1/2 ... ", G1/4", G3/8" NPT, BSPT... Option: St.St.ConnectionBottom, back excentreLens ...