Ashcroft”s Type5503 differential-pressure gauge is designed to provide reliable lowdifferential pressure measurement in high static, wet-wet pressureapplications. Equipped with wetted materials of 316SS, Monel orHastelloy C, the pressure gauge is capable of monitoring a variety ofcaustic liquids and gases. Four-inch and six-inch dial face versionsare available in ranges from 0/3 through 0/400 PSID. Optional featuresinclude 3,625 PSI static pressure containment, liquid fill, electricalcontacts, and a choice of mounting hardware.