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SOP for Calibration of Automatic Box Compression Strength Tester (Digital Model)


Standard operating procedure to evaluate the performance of box compression strength tester.

1.0 OBJECTIVE

To calibrate the equipment for reliable and accurate results.

2.0 SCOPE

This procedure is applicable to calibrate box compression strength tester, installed in packing material testing area.

3.0 RESPONSIBILITY

3.1 Doing : Technical Assistant / Executive
3.2 Checking : Executive /Manager 

4.0 ACCOUNTABILITY

Head of the department.

5.0 PROCEDURE

5.1 Frequency : Once in a month
Semi auto calibration :
5.1.1 Operate the instrument as per S.O.P.
5.1.2 On zero load, press ‘ZERO’ on the digital indicator.
5.1.3 Press and hold the ‘CAL’ button, situated at the rear of the indicator. The display will show 100 kg. Now slowly place 100 kg cast iron weight in any combination.
5.1.4 Press the ‘CAL’ button again. The display will show CAL – F. This denotes completion of calibration. Press the ‘CAL’ button once again. The display should show 100 ± 1kg.
5.1.5 Note down the observation in Annexure – I.
5.1.6 Remove the cast iron weights carefully.
5.2 Manual check calibration.
5.2.1 After completion of semiauto calibration take out 20 kg each cast iron weight from 100 kg & note the weight for 80 kg calibration. Similarly take out gradually each 20 kg of weight one after other & note the weight for 60, 40 & 20 kgs calibration.
5.2.2 Note down the observation in Annexure – I.
5.3 If instrument found out of calibration follow the SOP for Out of Calibration.

Related: SOP for Cleaning of Box Compression Strength Tester

6.0 ABBREVIATIONS

6.1 SOP - Standard Operating Procedure
6.1 kg - kilogram

                                                         ANNEXURE-I
                                    QUALITY CONTROL LABORATORY
           CALIBRATION REPORT OF BOX COMPRESSION STRENGTH TESTER                
PERFORMANCE DATE
DATE OF LAST PERFORMANCE DONE
NEXT DUE FOR
PERFORMANCE





INSTRUMENT DETAILS
INSTRUMENT NAME

INSTRUMENT MAKE

INSTRUMENT
IDENTIFICATION NO.





OBSERVATION

SEMI AUTO CALIBRATION
STANDARD WEIGHT
WEIGHT OBSERVED
LIMITS

100 Kgs

±  1 Kg

MANUAL CHECK CALIBRATION
STANDARD WEIGHT
WEIGHT OBSERVED
LIMITS

20 Kg
40 Kg
60 Kg
80 Kg


±  1 Kg

REMARK  :
Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
Email: .moc.enilediugamrahp@ofni Need Help: Ask Question


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