INSTRUMENT CALIBRATION PROCEDURE FOR ELECTRONIC BALANCE

1.0 PURPOSE:
To provide a procedure for calibration of balance.
2.0 SCOPE:
This covers the calibration procedure for balance. (Instrument No:QC-001)
MAKE: SHIMADZU MODEL: LIBROR AEG-45SM
3.0 RESPONSIBILITY:
3.1 Chemist-QC
3.2 Officer-QC
4.0 ACCOUNTABILITY:
Manager-QC
5.0 DEFINITION:
Nil
6.0 PROCEDURE:
6.1 DAILY
6.1.1. Ensure that balance is aligned properly and cleaned i.e. the spirit level should be in the center of the circle.
6.1.2
6.1.3 Ensure that the display shows 0.00000
Place 4 standard weights of different denominations as per the schedule & record the weight.
6.1.4 The observed weight should confirm with the acceptance criteria as given in the balance log sheet.
6.1.5 If the instrument goes out of calibration contact the service person for necessary adjustment and recalibrate.
6.2. FREQUENCY OF CALIBRATION : Daily
7.0 REFERENCES:
Instrument Manual
8.0 ENCLOSURES:
Enclosed a table for Acceptance Criteria for Standard Weights, Calibration report format & Calibration schedule.
9.0 ABBREVIATIONS:
Nil