Validyne DP303 is a true bidirectional, “Wet-Wet” differential pressure transducer designed for applications where very low differential pressures are to be measured in fluid systems involving high line, or working, pressures up to 5000 psig. Typical applications include core sampling studies, flow measurements in high pressure gas systems and null-sensing in hydraulic systems.

The DP303 features “take-apart” construction enabling the user to easily disassemble the unit for cleaning or to change full scale range by exchanging the sensing diaphragm. As all surfaces of the transducer which may come in contact with the fluid being measured are Type 410 stainless steel, Inconel or the cavity seal O-ring material—in both the positive and negative pressure cavities — a wide variety of corrosive liquids or gasses may be used without the need for add-on isolators and internal transfer fluids. For applications involving fluids not compatible with Type 410 Stainless steel, or the standard BUNA-N O-ring compound, the DP303 may be ordered with all wetted surfaces nickel or gold plated, and/or with alternative O-ring materials.

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