Bourdon Differential Gauges (ABD) Nominal Size (mm) 100, 150 Scale Range 0..to..1000 kgcm2 Accuracy (FSD) 1.6% Thread Connection 14,38", ½ ", BSP & NPT and M-20 Mounting of Gauge Bottom, Surface Case and Bezel Drawn steel, SS 304 Pressure Elements Bourdon Tube Diaphragm Nil Wetted Parts SS 304 & SS 316 Application Gaseous & Liquid Media Static Pressure Same as scale range