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Procedure for operation of weighing balance (Make: METTLER TOLEDO). Quality assurance

  • OBJECTIVE
  • To lay down a procedure for Operation of weighing balance PB-303S.
  • SCOPE
  • This Standard Operating Procedure (SOP) shall be applicable for weighing balances installed in sampling booth.
  • RESPONSIBILITYQuality Control Officer / Executive
  • ACCOUNTABILITY
  • Head – Quality Assurance\
  • PROCEDURE
  • On/off switching
  • Press < IB> key briefly.
  • The balance performs a display test (all segments in display light up briefly). When zero is displayed, the balance is ready for operation.
  • Press and hold the <off> key down until “OFF” appears on display.
  • Sample Weighing
  • Place the weighing sample on the weighing pan.
  • Wait until the stability detector “O” disappears.
  • Taring
  • Place empty container on the balance.
  • The weight is displayed.
  • Tare : Press the <O/T> key briefly.
  • If the container is removed from the balance, the tare weight will be shown as a negative value. The tare weight remains stored until the <O/T> key is pressed again or the balance is switched off.
  • Multiple Weighing with LC-245 Printer.
  • Start time definitions by pressing <Def> and <Date> and enter the date as per format dd.mm.yy. and press enter key
  • Start time definitions by pressing <Def> and <time> and enter the time as per format hh.mm.ss and press enter key.
  • Forms and Records (Annexures)
  • Not Applicable
  • Distribution
  • Master copy –  Quality Assurance
  • Controlled copies- Quality Assurance, Production, Quality Control.engineering
  • History
    Date Revision Number Reason for Revision
    00 New SOP

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