Check Weigher

To describe the procedure for validation of the check weigher to ensure that it meets installation, operational, and performance qualihcation requirements 

It is the responsibility of the production manager and technical services manager to follow the procedure. The quality assurance manager is responsible for SOP compliance. 

Check correct function of weighing, package length check, sloping position check, and package ejector, as well as correct range of tolerance. Time interval before daily production start every 2 h during production 

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Metering conveyor Check-weigher Reject conveyor Accumulator conveyor Feed conveyor Air-flotation pailetizer... 

Figure 4 Schematic production sequence for the manufacture of metered-dose inhalers by pressure filling (1) suspension mixing vessel (2) can cleaner (3) can crimper and filler (4) check weigher (5) can coder and heat tester (6) priming and spray testing (7) labeler (8) feeds for tested cans and actuators. (Courtesy of Ellis Horwood Publishers, Ref. 10.)...

This step is commonly carried out to ensure that all cans reaching the consumer contain an adequate supply of medication [25]. This may be conducted on units after filling or leak testing but must be done before secondary packaging and distribution. In setting the limits of the check weigher, the allowable fill weight... 

Operational tests Check weigher Bottom coder Security sealer Labeller Cartoner Shrink bundler Case packer Case sealer... 

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