Fiebig liquid filled pressure gauges is the latest attraction from manometer [india]. Manometer is famous for manufacturing pressure-measuring instruments. These gauges are implied when the gauge is subjected to severe working conditions. The filled liquid protects the internal parts against vibrations, and also lubricates and guards the gauge from harsh environmental conditions. The case is manufactured in stainless steel or mild steel and it is filled with glycerin or silicon oil as per enclosed area protection ip-55/65. These gauges have a measuring system of phosphor bronze, brass, ss 316 or monel. The phosphor bronze bourdon tube, tip and socket are silver brazed and stainless steel is argon are welded. Over-range protection of 130 percent is provided as standard. These gauges are available in dial size 63, 100, and 150 mm in all standard process connections; range - 760 mm hg to 0 to 1000 kg/cm²; and accuracy ±1 percent of fsd.