Dwyer Series 629C wet/wet differential pressure transmitter

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The Series 629C wet/wet differential pressure transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4–20 mA output signal or field-selectable voltage. Small internal volume and minimal moving parts result in fast response. The terminal block, as well as a zero adjustment button, are easily accessed under the top cover. The Series 629C differential pressure transmitter is designed to meet IP66 requirements.

It can be powered by either DC or AC, and the optional LCD display for local status indication does not need a separate power supply. A selectable voltage range provides flexible choice for changing design or inputs for process/HVAC controllers. The push-button zero (versus trim pot) provides more simple zeroing, reducing installation time and the possibility of operator error.

Applications include flow elements, heat exchangers, filters, coils, chillers and pumps.

For more information: http://www.dwyer-inst.com.au/Product/Pressure/DifferentialPressure/Transmitters/Series629C.

Originally published here.