Ashcroft DP GaugeThe heavy-duty Ashcroft Type 5503 differential-pressure (DP) gauge provides reliable low differential pressure measurement in high static, wet-wet media applications. Equipped with wetted materials of 316SS or Hastelloy C, the rugged Type 5503 DP gauge is specifically designed to monitor a variety of caustic liquids and gases. The DP gauge is available in 4² and 6² dial faces in ranges from 0/30 IWD through 0/300 PSID. The DP gauge also offers optional features, including 5801 PSI static pressure containment, liquid fill, electrical contacts, and a choice of mounting hardware.