Dial Size : 100, 150, 250 mm (Die cast aluminium case) & 100, 150 mm (SS 304 & 316 case), Accuracy :LM ± 0.5% & 1%, Case :Die cast aluminium & SS 304 with Bayonet Bezel as a standard (SS 316 Optional), Process Connection :¼, ⅜, ½, BSP & NPT Male, M 20 X 1.5, Pointer :Micrometer zero adjustable (Black aluminium), Suitability :-20 Deg C to +60 Deg C (Service Temperature).