SOP for Muffle Furnace

1.0 OBJECTIVE

To describe the procedure for operation of Muffle Furnace.

2.0 SCOPE

This SOP is applicable to the procedure for operation of Muffle Furnace.

3.0 RESPONSIBILITY

Officer/ Executive - Quality Control

4.0 ACCOUNTABILITY

Manager - Quality Control

5.0 PROCEDURE

5.1 Ensure that the area is clean and the calibration due date of the temperature indicator is with in calibration period.
5.2 Switch “ON” the main power supply of the Muffle Furnace.
5.3 Bulb glows, which indicates the power supply to the instrument.
5.4 Set the required temperature by 3 switches provided on the panel
5.4.1 Push switch
5.4.2 Two potentiometric knobs (Coarse and Fine Knobs)
5.5 Press “PUSH SWITCH” and simultaneously turn the “COARSE” knob clockwise or anticlockwise near required temperature and then turn “FINE” knob to set an exact temperature.
5.6 Release the PUSH SWITCH.
5.7 Reset the instrument in case the temperature exceeds 1160°C.
5.8 Enter details in usage log book after completion of analysis.
Related: SOP for Preventive Maintenance of Instrument

6.0 ABBREVIATION

6.1 SOP - Standard Operating Procedure

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