- Objective:To lay down the Calibration Procedure for Halogen Moisture Balance.
- Scope:This standard operating procedure is applicable for formulation plant of Pharmaceutical company name with location.
Make: Mettler Toledo.
- Responsibility
- Trained worker / Operator shall be responsible for operating of the equipment as per this SOP.
- Production Supervisor / Officer shall be responsible for implementation of this SOP.
- Head-Production / designee shall be responsible for compliance of this SOP.
- Abbreviations and Definitions
SOP – Standard Operating Procedure
gm – gram
QA – Quality Assurance
- Procedure
- Balance Calibration for Halogen moisture Balance
- Check that the pan is cleaned and dry. Close the balance by pressing ‘’key. Then check the spirit level and adjust to zero level.
- Switch on the instrument and allow it to stabilize for 2 minutes. When the balance display ‘0.000 gm’. Press ‘menu’ w.cal: No display. Press ‘∆’ key to get ‘yes’ display then press enter key.
- Display shows w.cal: 50.000 gm and pan comes out automatically. Place 50gm standard weight at the centre of the pan calibration starts automatically. After few seconds, w.cal: 0.000 gm displays remove the weight from the pan again. The instrument displays 0.000 gm.
- Place 50 gm standard weight at the centre of the pan display shows actual weight.
- Acceptance criteria for 50 gm standard weight, the measured weight shall be 50.000 ± 0.025 gm.
- Fill the Calibration Record as per the Annexure-I.
- Temperature Calibration of Halogen Moisture Balance:
- Temperature of Halogen Moisture balance will calibrate in two steps 1st point Temperature Calibration and 2nd point temperature calibration.
- 1st Point Temperature Calibration:
- Temperature of Halogen Moisture balance will calibrate in two steps 1st point Temperature Calibration and 2nd point temperature calibration.
- Balance Calibration for Halogen moisture Balance
5.2.2.1.1 Press Menu Key, Display will show
Menu
Temperature Calibration :No. |
5.2.2.1.2 Press ^ & v Key for Select Yes. Display will show
Menu
Temperature Calibration: Yes. |
5.2.2.1.3 Press ‘ Enter ’ Key to start the temperature calibration.
5.2.2.1.4 Remove the sample pan holder from the automatic sample
chamber.
- Place the temperature calibration kit for Halogen Moisture Balance in the sample pan chamber.
- Press ‘start’ key to start the temperature calibration process.
- Temperature of heating module in Halogen Moisture Balance will go to 100°c with in 15 minute.
- At the end of this time a continuous audio signal sound shall come and display of temperature calibration kit shall show correct temperature.
- Value of temperature shall be recorded in Temperature Calibration Record of Halogen Moisture Balance.
5.2.2.2 2nd Point Temperature Calibration:
5.2.2.2.1 Press ‘Enter’ key.
5.2.2.2.2 Temperature in Display shall reach up to 160°C.
5.2.2.2.3 Temperature of balance shall reach 160°C with in 15 minute.
- Correct temperature of Halogen Moisture Balance shall be checked display of Temperature Calibration Kit.
- Value of temperature shall be recorded in Temperature Calibration Record of Balance.
- After completion of calibration affix ‘CALIBRATION StATUS’ label duly filled and signed on the instrument.
- Frequency: Calibration shall be done once in a month or after every repairing work on it.
- Forms and Records
- Balance Calibration Record – Annexure-I
- Temperature Calibration Record – Annexure-II
- Distributions
- Master Copy – Documentation Cell (QA)
- Controlled Copies – Production and Quality Assurance
- History
Date | Revision
Number |
Reason for revision |
– | 00 | New SOP |
Annexure-I
Calibration of Halogen Moisture Balance
Equipment I.D. No.
Date of Calibration: Calibration Due Date:
Duration: Six Month
Actual weight 50.0 gm | Observed weight
Limit ±0.025 |
Status
OK/NOT OK |
Done By |
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Calibrated By/Date: Approved by/Date
Annexure-II
TEMPERATURE CALIBRATION RECORD
S.No. | Date | Time | 1st Point temperature calibration | Date | Time | 2 nd Point temperature calibration | Status OK/Not OK |
Due Date | Done by | Checked by | ||
Set value 100 °C | Observed value 100 ±6°C | Set value 160 °C | Observed value 160 ±6°C | |||||||||
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