Hydac HDA 4300 pressure transmitter with a flush membrane

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The HDA 4300 pressure transmitter with a flush membrane has a ceramic measurement cell with a thick film strain gauge for relative pressure measurement in the low pressure range.

The pressure connection is achieved with a fully sealed stainless steel front membrane filled internally with a pressure transfer fluid. The process pressure is transmitted hydrostatically to the measurement cell via the pressure transfer fluid. Connections to other equipment are possible via 4–20 mA or 0–10 V.

This device has been designed specifically for applications in which a standard pressure connection could become blocked, clogged or frozen by the particular medium used. It is also used for processes where the medium changes regularly and any residues could cause mixing or contamination of the media.

The HDA 4300 offers an accuracy of ≤0.5% FS and low temperature error in a compact design.