Operation of colony counter

1.0       OBJECTIVE : To lay down a procedure for operation of colony counter.

2.0       RESPONSIBILTY

            Microbiologist / Executive

3.0       ACCOUNTABILITY

            Head - Quality Control

4.0       PROCEDURE

4.1             Ensure that the instrument is clean & free from dust.

4.2             Ensure that the magnifying lens is fixed on its stand.

4.3             Ensure that the marker is connected to either right or left side of the instrument.

4.4             Switch on the mains.

4.5             Switch on the power button. The internal light will be flashed ‘ON’ and the digital screen will show ‘0000’ figure in red. Again pressing this button will turn the power.’ OFF’.

4.6             Now press the plate containing colonies to be counted.

4.7             Now, mark each and every colony one after the other by pressing the tip of the marker.

4.8             The number of colonies will automatically get displayed on the screen can be reset to 0000 by  pressing the RESET button.

4.9             The counting can be done manually by pressing the MANUAL button.

4.10         Switch ‘OFF’ the instrument and put under cover when not required.

5.0       REASON FOR REVISION

Harmonization of format.

6.0       TRAINING:

Trainer --        Head – Quality Control

       Trainees--      Quality Control Chemists & Assistants 

Period -          One day

7.0       DISTRIBUTION:

Certified Copy No.   1           :  Head of Department – Quality Control

Certified Copy No.   2           :  For Display Near The Colony Counter

Original Copy                        :  Head – QUALITY ASSURANCE.