Quality Control (QC) is an essential part of maintaining the reliability of an analytical balance. This guide gives a good overview of the steps you must take to maintain your balance at optimal performance. The key ingredients in QC includes daily calibration, verifying accuracy with external ASTM Class 1 weights monthly, maintaining log books, recertification of the Class 1 weights annually before the certification expires, and annual professional servicing. The guide goes on to explain the steps you can take to verify the accuracy of the balance as well as corrective action to take in case it fails the accuracy test. It also offers tips on handling Class 1 weights, certifiying and recertifiying the weights, and other similar pointers that will help you keep your balance working at peak performance.
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