Weigh and Dispense is an MES function that controls and records the precise measurement of raw materials before production, enforcing tolerances and generating a dispensing record for the batch record.
Definition
Weigh and Dispense (W&D) is a specialised MES function in pharmaceutical and chemical manufacturing that controls the accurate measurement and dispensing of raw materials before production. The system guides operators through each material, enforces weight tolerances, captures balance readings electronically, and generates a dispensing record that becomes part of the batch record. It's one of the highest-risk steps in pharmaceutical production , an error here can invalidate an entire batch.
What this means when you're hiring
W&D is a specialist capability within pharma MES that not all platforms deliver well. Werum PAS-X and Siemens Opcenter Execution for Pharma have purpose-built W&D modules with balance integration and 21 CFR Part 11 compliant electronic signatures. Hiring managers in pharma look specifically for W&D implementation experience because the validation effort and integration complexity is significant.
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