The Rosemount 285 Annubar Primary Element's revolutionary shape with sensing holes, promises
the best accuracy and repeatability in applications with low to medium pressure and temperature requirements.
The Annubar sensor is designed to prevent wear and blockage in the pipe. Multiple mounting configurations allow use on round piping as well as rectangular ducts. The direct mount head option allows close coupling of transmitters.
The non-constricting design of the Annubar sensor creates minimal blockage in the pipe, which reduces permanent
pressure loss. Permanent pressure loss can be converted directly into energy savings in the form of compressor
cost for gas, electrical cost for pumping liquids, and fuel costs for generating steam
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