NIR Analyzers have been assets to the Snack Food Industry for a number of years.? They have been widely used and are an accepted method of analysis in many environments and used for a variety of applications.
One interesting application is the automatic controls of flavoring addition for both cheese curls and popcorn.? An NIR sensor is installed on a conveyor after a tumbler.? The tumbler applies the flavoring in a form of a slurry and the NIR sensor actually measures the oil content of the slurry.? The amount of oil in the slurry has a direct relationship to the total amount of flavoring being applied.? The NIR sensor’s 4-20mA output is connected into a process controller that automatically adjusts the amount of flavoring applied by manipulating a pump to a desired set point.