To lay down a procedure for Operation of vacuum oven (Themo lab).
1.0 PURPOSE:
1.1 To lay down a procedure for Operation of vacuum oven (Themo lab).
2.0 SCOPE:
2.1 This SOP is applicable for operation of vacuum oven in Quality control department.
3.0 RESPONSIBILITY:
3.1 Assistant – Quality Control
3.2 Executive – Quality Control
4.0 ACCOUNTABILITY:
4.1 Manager – Quality Control
5.0 PROCEDURE:
5.1 Connect the unit to 230 Volts A/c power supply.
5.2 Switch on the temperature controller.
5.3 The Digital temperature controller displays the ambient temperature.
5.4 Set the required temperature by using “?,?”numerical keys.
5.5 Control the temperature with rotating knob at backside of the oven.
5.6 Set the rate of temperature by using energy regulator.
5.7 Insert the sample bottle in to the oven and close the 6-screw type knob door tightly.
5.8 Wait till the actual temperature reaches to the set temperature and when it happens the relay bulb automatically glows.
5.9 Connect the vacuum pump to the vacuum nozzle of the instrument provided on the top.
5.10 Open the vacuum-releasing knob i.e. on the top of the instrument.
5.11 Apply the vacuum and check with the help of pressure gauge.
5.12 After completion of the specified time, slowly release the vacuum through the release knob, pressure gauge shows up to zero.
5.13 Open the 4-screw type knob door and remove the sample bottle and measure loss on sample.
END OF DOCUMENT
vacuum oven, quality control, ambient temperature
