Ashcroft”s Type 5503 differential-pressure gauge is designed to provide reliable low differential pressure measurement in high static, wet-wet pressure applications. Equipped with wetted materials of 316SS, Monel or Hastelloy C, the pressure gauge is capable of monitoring a variety of caustic liquids and gases. Four-inch and six-inch dial face versions are available in ranges from 0/3 through 0/400 PSID. Optional features include 3,625 PSI static pressure containment, liquid fill, electrical contacts, and a choice of mounting hardware.