SOP FOR OPERATION OF ANALYTICAL WEIGHING BALANCE PRECISA XB 220 A

1.0              Objective:

            The purpose of this SOP is to provide written procedure for operation of analytical balance.

2.0              Scope:

            These SOP covers operations of Analytical Balance, Make- Precisa, Model-XB220A.

3.0              Responsibility:

            Jr. Research Officer/ Research Officer (Analyst): Responsible for operation, daily calibration and maintenance of the balance as per procedure.        

            QA Officer/QA Manager: Review the records and governing the document.        

4.0              Procedure:

4.1       Ensure that the instrument is visibly clean and free from dust.

4.2       Setting and storing the configuration:

4.2.1    Press << ON/OFF >> to switch on the balance.

4.2.2   Continue to hold down the << MODE >> and the << T >> button during the start up process, until the desired configuration appears on the display and then release the button. Select Store configuration as user configuration.

4.3       Working with the configuration menu:

4.3.1    Press << ON/OFF >> to switch on the balance.

4.3.2   Continue to hold down the << MODE >> button during the start up process, until the desired configuration appears on the display and then release the button. Set configuration as below.

            (1) Language   (2) Unit - 1  (3) Set Data Print (4) Set calibration (5) Set Weighing Mode (6) Set Interface (7) Set Date and Time (8) Password (9) Theft code

4.3.2.1   Language :   

              Switch on the balance and depress << MODE >> until the currently activated

              language is shown. Release << MODE >> Press << MODE >> repeatedly until the

              language require is shown. Press << PRINT >> in order to confirm the selection. Press

               << PRINT >> in order to quit the menu. 

4.3.2.2   Weight Unit : 

              Switch on the balance and depress << MODE >> until the currently activated language is shown. Release << MODE >>. Press << MODE >> repeatedly until the Weight unit is shown. Press << PRINT >> in order to confirm the selection. Press << PRINT >> in order to quit the menu.

4.3.2.3    Print Function : 

               Switch on the balance and depress << MODE >> until the currently activated language is shown. Release << MODE >>. Press << MODE >> repeatedly until the Set Data Print is shown. Set the require Parameters i.e. Auto Start ON/OFF, Mode, Time Base, Set Print Format etc.  Press << PRINT >> in order to confirm the selection. Press << PRINT >> in order to quit the menu.

4.3.2.4    Calibration Function :

                  Switch on the balance and depress << MODE >> until the currently activated language is shown. Release << MODE >>. Press << MODE >> repeatedly until the Set Calibration is shown. Set the require parameters. Press << PRINT >> in order to confirm the selection. Press << PRINT >> in order to quit the menu.

4.3.2.5     Set all the configuration parameter by Switch o the balance and depress << MODE >> 

               until the currently activated language is shown. Release << MODE >>. Press <<

               MODE >> repeatedly until the require parameter is shown. Set the require parameters.

               Press << PRINT >> in order to confirm the selection. Press << PRINT >> in order to

                  quit the menu.

4.4          Setting and storing the application menu:

4.4.1       Press << ON/OFF >> to switch on the balance.

4.4.2                 After the start-up process has finished, press the << MODE >> button, until the “SET  APP. …” appears on the display. Set the require parameters i.e. Units, Count, Percent  Balancing etc. Press << PRINT >> in order to confirm the selection. Press << PRINT >> in order to quit the menu.

4.4.3                 Press << MODE >> Button, until the “SET APPLICATION” appears on the display.   Set the require parameters of selected under “Application”.               

4.4.4       Press << MODE >> Button, until the “AUTO-START ON/OFF” appears on the display.

               The selected working program can, if required, be loaded automatically every time the balance is switched on.

4.5                             Precaution:

4.5.1       The balance may only be used with the power adaptor.

4.5.2       During weighing close the door properly.

4.5.3       After weighing clean the pan with hairbrush.

4.5.4              Take care when weighing liquid is split into the inside of the balance or into

               connections on the rear of the equipment or the power adaptor.

5.0           Annexure :

                  Annexure– 1  -      Balance Usage log book.                  XXX/FRM/0000-00

6.0        History of Revision:

Annexure - 1
Date	Booking No.	Name of sample	Batch No.	Used by	Sign
SOP No. : XXX/SOP/000-00                                           Format No. : XXX/FRM/000-00