A Controller is a device usually using mechanical, hydraulic, pneumatic, or electronic techniques to monitor and/or physically alter the operating conditions of a piece of equipment or system. Controllers are typically used to hold and manage settings for temperature, pressure, flow or speed.
HiTechTrader has a multitude of controllers available for purchase. Perkin Elmer, J-Kem Scientific, Cole Parmer, Fisher Scientific, Brooks, and Omega are just a few manufacturers of controllers.
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