Product Releases

Ice Resistant Pressure Transducer

Fri, 12/13/2013 - 9:59am


It only takes a small formation of ice deep inside the inlet cavity of a pressure transducer to destroy the sensing element. To prevent this, Ashcroft has developed a media isolation method for the G2, T2 and KM15 pressure transducers. A stable, emulsified lubricant is injected into the diaphragm cavity and most of the inlet passage, the viscous material displaces air and seals the cavity, thus preventing water from contacting the diaphragm and settling in the cavity. Once injected, the emulsion adheres to the inner walls of the sensor and forms a thin skin inside the inlet passage, preventing it from leaking out of the sensor, even when the transducer is mounted in the upright position. As water pressure is introduced, the emulsion serves as a translation medium, exerting a force upon the diaphragm equal to the force exerted upon it by the pressurized water. These transducers are designed to withstand other harsh operating conditions, including high shock and extreme vibration. A wide choice of pressure ranges, outputs, electrical terminations and process connections help make them suitable for nearly any installation. 


Ashcroft Inc.


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