These gauges are ideal where pressure gauge is subjected to severe conditions. The I filled liquid protects the internal parts against vi.bratio(ls and also lubricates and protec~ from environmental conditions. The case is made of Stainless steel or Mild Steel and it I is filled with Glycerine or Silicon Oil. Available in Dial Size 63, 100, and 150 mm with Accuracy ± 1% or ± 2%. Measuring system of phosphor bronze, brass S.S. or Monel manufactured in standard pressure ranges from 0-1 kg/cm2 upto 0-1000