sop for Verification of Weighing Balances
1.0 Objective
To lay down a procedure for verification of weighing balances in warehouse.
2.0 Scope
This Standard Operating Procedure is applicable for verification of weighing balances in warehouse to be followed at
formulation plants of A B C Pvt. Ltd.
3.0 Responsibility
3.1 Officer Executive warehouse shall be responsible for the verification of weighing balances.
3.2 Head Warehouse is responsible for ensuring the verification of weighing balances.
3.3 Head QA or his designee shall be responsible for implementation and compliance with SOP.
4.0 Abbreviations and Definitions
SOP : Standard Operating Procedure
i.e. : That is
No : Number
w.r.t : With respect to
WH : Warehouse
HOD : Head of Department
5.0 Procedure
5.1 Ensure the cleanliness of the weighing balance.
5.2 Ensure that the balances, which are kept under R-LAF, shall be calibrated and operated while R-LAF unit is switched ‘ON’.
5.3 Check the spirit level of the balance, if required adjusts from the base screw. Record it in the format as applicable as
per the balance capacity.
5.4 Switch “ON” the main electric supply of the balance.
5.5 Press the “ON” button of the instrument.
5.6 Allow the balance display to come in stable state.
5.7 Press “Zero” button and ensure zero reading on the display board of the balance.
5.8 Select two standard weights of higher & lower limit given.
5.9 Place the standard weights one by one on the weighing platform / pans and check the readings.
Recording shall be done in the relevant format.
5.10 A balance is considered satisfactory for use if the readings are found to be within acceptance limit of the balance as
mentioned in the respective annexure for a balance.
5.11 If the reading is out of acceptance limit, put an “UNDER MAINTENANCE” label and inform the head of the
department and engineering department for necessary action.
5.12 After rectification, calibrate the balance before use and enter the same in the ‘Balance verification record’.
5.13 Use the standard weights duly certified by the weights and measures department.
6.0 Forms and Records
6.1 None
7.0 Distribution
7.1 Master Copy – Documentation Cell (Quality Assurance)
7.2 Controlled Copy – Warehouse Department.
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