1.0 OBJECTIVETo lay down the procedure for operation and calibration of leak test apparatus.
2.0 SCOPEThis SOP is applicable for operation and calibration of leak test apparatus.
3.0 RESPONSIBILITYOfficer/ Executive - Quality Control
4.0 ACCOUNTABILITYManager - Quality Control
5.0 PROCEDURE5.1 Operating procedure for LT-101 Apparatus.
5.1.1 Take required quantity of blisters/vials from sample received in QC department.
5.1.2 QC officer shall perform leak test as procedure given bellow.
188.8.131.52 Ensure apparatus bath is filled with purified water up to mark indicated and add 0.5% crystal violet solution in water.
184.108.40.206 Cover the leak test chamber by using lead and place on it
220.127.116.11 Connect the three pin plug to the mains put “ON” the main instrument will glow “ON” set the timer by up/down key then press the start key to process.
18.104.22.168 Any increase or decrease of the vacuum inside the container can be controlled by release value provided on the apparatus.
22.214.171.124 As soon the vacuum gauge indicates 200 mm of Hg then close the control value so that vacuum starts developing within 30- 45 seconds which will be indicated on the vacuum gauge fixed at the unit.
126.96.36.199 The sample remains at the required vacuum level for given time interval buzzer will sound after time is over and it will cut off the vacuum pump.
188.8.131.52 After the test is over put “OFF” the mains and release the inside vacuum by pushing out the controlled stopper.
5.3 Cleaning procedure.
5.3.1 Cleaning of leak test apparatus by using purified water and clean outer and inner surface with the help of lint free cloth.
5.3.2 Place the apparatus for dryness for half an hour.
5.3.3 Change the decicator water twice in a week or as per required.
5.3.4 Affix the cleaned label with approved signature
5.4 Calibration procedure
5.4.1 Take calibrated stopwatch and start timer of leak test apparatus and stop watch simultaneously.
5.4.2 Note the reading at intervals of 60 seconds, 180 seconds, 300 seconds respectively
5.4.3 Acceptance criteria: 10 seconds for each interval.
5.4.4 Vacuum gauge calibration done by external party.
5.4.5 Frequency of calibration: Twelve months (for timer, vacuum gauge and vacuum holding capacity).
6.0 ABBREVIATIONS6.1 SOP - Standard Operating Procedure
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