Coriolis meters move into food processing

To ensure the quality of Halls Brothers menthol- and eucalyptus oil-flavored cough drops, no factor is more critical than accurate ingredient batching, according to Neil Seddon, Warner Lambert's process technologist. Since volumetric measuring techniques can be prone to error with changes in density, pressure, or temperature of ingredients, mass flow is the prefe...

06/01/1998


To ensure the quality of Halls Brothers menthol- and eucalyptus oil-flavored cough drops, no factor is more critical than accurate ingredient batching, according to Neil Seddon, Warner Lambert's process technologist. Since volumetric measuring techniques can be prone to error with changes in density, pressure, or temperature of ingredients, mass flow is the preferred method of measurement, says Mr. Seddon. "When we first looked at mass flow measurement five years ago, we put Krohne's Coriolis mass flowmeters through trials for 12 months," he says. The E-class meters have a flow measuring accuracy of better thanupplied its new low-flow 0.3 E class meters that can handle a minimum flow rate of 0.3 kg/min with the same accuracy as the higher-volume meters. The flow tubes are installed vertically in the process line so they're self-draining and relatively easy to clean, which helps accommodate FDA requirements for a line purge following every batch operation.





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