Dial Size, 1-12 (40mm), 2 (50mm), 2-12 (63mm), 4 (100mm), 6 (150mm), 8 (200mm), 10 (250mm), Accuracy, Ranges ScalesAll Std. Ranges from upto 1000barkgcm2 or 15000psi, Vacumm & Compound RangesStd. Scales: psikgcm2, kgcm2, barCase & Ring, SS304 Case and Ring IP65 - 63mm, 100mm, 150mm, SS304 Case and Ring - 40mm, 50mm, 200mm, 250mm, Socket (Block)SS316, Bourdon Tube, Material: SS316, C Shaped Tube upto 70 Bar, Coil Shaped Tube Above 70 Bar