For measurement of steam, air, oil, water and other pressure media, which have no effect on bronze and brass Type :PG-01 (Dry Steel Case Pressure Gauge)Application:For measurement of steam, air, oil, water and other pressure media, which have no effect on bronze and brassDial size:1.5", 2", 2.5", 3, 3.5", 4", and 4.5", 6", 8", 10",Pressure range:-30" Hg-0-10,000PSISocket:Brass bottom and back ...