Apparatus for measuring loss in weight of food products during processing indirectly by logging the natural frequency of a weighted arm to determine weight

摘要

Arm 10 has weight 20 attached at one end. Weight 20 is capable of absorbing a fluid or supporting a solid. Oscillator 35 causes arm 10 (with weight 20) to oscillate at its natural harmonic frequency. Data logger 50 logs this frequency as it changes due to changes in mass of weight 20 as fluid evaporates or the solid sublimates during processing. Such information is typically used to detect changes along a food processing line and to make appropriate corrections.