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sop for calibration and verification of check weigher

 

sop for calibration and verification of check weigher

 

1.0 OBJECTIVE:
To lay down a procedure for Operation and Cleaning of Checkweigher.

2.0 SCOPE:
This SOP is applicable for Operation and Cleaning of Checkweigher in Three Piece Line

3.0 RESPONSIBILITY:
Officer/Executive – Production

4.0 ACCOUNTABILITY:
Head – Production 



5.0 PROCEDURE:

5.1 INSTRUCTIONS:
5.1.1 Check the cleanliness of the Checkweigher and ensure that is free from remains of the previous product.

5.1.2 Speed of Checkweigher NMT 120 vials/min.

5.1.3 Speed of infeed star wheel NMT 6.5 round/min.

5.2 OPERATION:
5.2.1 Switch “ON” the Main Switch.

5.2.2 Turn the power switch 90 degrees clockwise to the “ON” position.

5.2.3 Touch the ‘LOGIN’ icon and make the entry of ‘LOGIN ID’ and ‘LOGGIN PASSWORD’ then click on ENTER.

5.2.4 After the successful login, Touch to ‘MENU’ icon to open the Product Selection screen.

5.2.5 Touch the “PRODUCT SET UP” then touch the “PRODUCT DATA” for Edit icon to register the product and open the Product Setting                Screen.

5.2.5.1 Touch to unregistered icon and make sure the entry of Product Name and Product Code.

5.2.5.2 After the entry of name and code to save Re login the login ID and login password

5.2.5.2.1 Select target to enter the mass of the product to be weighed.

5.2.5.2.2 Select high limit to enter the upper limit mass value of the product.

6.2.5.2.3 Select lower limit to enter the lower limit mass value of the product.

6.2.5.2.4 Touch the “NEXT PAGE” key to return to the Product Display screen.



5.2.5.2.5 Record the Operation details in Format No Titled “Equipment Log”
5.3 CHALLENGE TEST OF CHECKWEIGHER:
5.3.1 Prepare the lower & higher weight vials for challenge test from the respective batch i.e. lower weight vial shall be prepared by removing           the solution from vial upto below lower limit & higher weight vial shall be prepared by poring the solution in another vial above from               the  higher limit.

5.3.2 Pass these vials from the Checkweigher before start the batch, middle of batch & end of batch, record the observation in Annexure-I,                 Titled “Challenge Test Record for Checkweigher”.

5.3.3 If challenge test passed start the weighing of filled vials by Checkweigher and if challenge test failed inform to the Engineering                            department for the rectification of Checkweigher.

5.3.4 After rectification of Checkweigher again perform the challenge test as per section no. 5.3.1
and  5.3.2.
5.3.5 At the end of process challenge test vials to be discarded and record the details in
Annexure-I.

5.4 CLEANING OF CHECKWEIGHER:
5.4.1 Switch off the Checkweigher and disconnect the main switch before cleaning activity.

5.4.2 Wipe the surface of Checkweigher with lint free mop.

5.4.3 Clean the surface of Checkweigher with 70% IPA solution.

5.4.4 Make the electrical connection and check its display.

5.4.5 After cleaning verify the Checkweigher and used.

5.4.6 Record the cleaning details in “Equipment Log” as per Format No

5.4.7 Frequency: Carry out the cleaning process every day before startup of a shift and at the end of Shift.

5.5 CALIBRATION OF CHECKWEIGHER:

5.5.1 Calibration Frequency: First working day of every month before use.

5.5.2 Check the cleanliness of the area.

5.5.3 Switch ‘ON’ the main power supply of the Checkweigher.

5.5.4 Turn the power switch 90 degrees clockwise to the “ON” the Checkweigher and check that zero is displayed on the screen.

5.5.5 Place the Standard Weights one by one in the center of the Weighing Conveyor of the Checkweigher and note down the reading in the Annexure-II, Titled “Checkweigher Calibration Record”.

5.6 VERIFICATION OF CHECKWEIGHER:

5.6.1 Verification Frequency: Daily before use/immediately after maintenance work/Power Failure/Relocation of Checkweigher.

5.6.2 Verify the Checkweigher using two Standard Weights certified by Weights and Measures Department.

6.6.3 Place the Standard Weights one by one in the center of the Platform of the Weighing Conveyor and record the observations in Annexure-III, Titled “Checkweigher Verification Record”.

5.7 VERIFICATION OF DETECTED/REJECTED VIALS:
5.7.1 First time detected/rejected vials to be weighted again by pass through the same Checkweigher to detect the lower/higher weight.

5.7.2 Second time detected/rejected vials to be verified by using the weighing balance (off line) to detect the lower/higher weight.

5.7.3 Record the all above details in Annexure-IV, Titled “Batch Reconciliation Record after Weight by Checkweigher”.

5.7.4 Final rejection should be recorded in the Batch Manufacturing Record (BMR).



6.0 ABBREVIATIONS:

SOP                                 Standard Operating Procedure

Ltd.                                  Limited

QTY.                               Quantity

QA                                  quality Assurance

 

7.0 ANNEXURES:
ANNEXURE No.                     TITLE OF ANNEXURE
Annexure-I                          Challenge Test Record For Checkweigher

Annexure-II                         Checkweigher Calibration Record
Annexure-III                       Checkweigher Verification Record
Annexure-iv                  Batch Reconciliation Record After Weight Check weigher

8.0 DISTRIBUTION:
• Controlled Copy No.1                   Production Department
• Master Copy                                  Quality Assurance Department

9.0 REFERENCES:

In House

 

 

Annexure-III   

 

 

 

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