1.0 PURPOSE
1.1 To design the procedure for operation of hot plate
2.0 SCOPE2.1 This SOP shall be applicable for the operation of hot plate.
3.0 RESPONSIBILITY
3.0 RESPONSIBILITY
3.1 User Department Person.
3.2 User Department Head.
3.3 Quality Assurance Person
3.3.1 To execute review processes for SOP.
3.3.2 To maintain the original copy of the SOP.
3.3.3 To issue control copy of the SOP.
3.3.4 To maintain issuance record of SOP.
3.3.5 To retrieve the control copy of the SOP & maintain its record.
3.4 Quality Manager
3.4.1 To approve new or revised SOP.
3.4.2 To ensure the implementation of the defined system.
3.4.3 To assign work to QA executive & department.
4.0 DISTRIBUTION
4.1 The Quality Assurance department responsible to keep SOP ‘Master Copy’ approved through Quality Assurance Head.
4.2 The copy of ‘Control Copy’ of SOP is being distributed in user department and placed near related Equipment/ Instrument as Display Copy.
5.0 DEFINITION(S)
5.1 Definition(s)
A hot plate is a portable self-contained tabletop small appliance that features one, two or more electric heating elements or gas burners.
6.0 ABBREVIATION(S)
6.1 Abbreviations:
6.1.1 SOP : Standard Operating Procedure
6.1.4 No. : Number
6.1.5 Dept. : Department
6.1.6 QA : Quality Assurance Person or Executive
6.1.7 Next Rev : Next Revision
6.1.8 Rev. : Revision/Review
7.0 PROCEDURE
7.2 Operation
7.2.1 For basic maintenance procedures, calibration actions and trouble-shooting, please refer to the instrument’s instruction manual.
7.2.2 Magnetic stirrer / heating plate should be used on level surfaces.
7.2.3 If hazardous vapors will not be produced, hot plates should be in an area free of drafts to ensure heating efficiency.
7.2.4 Keep the top surface of the magnetic stirrer / heating plate clean. Use a non-abrasive cleaner to clean the surface and the outside of the unit.
7.2.5 Replace the top surface if damaged.
7.2.6 Do not use metal foil on hot plates.
7.2.7 Any maintenance or repair made to the instrument must be recorded.
7.3 General Operation
7.3.1 The following describes the general procedure for using magnetic stirrers and hot plates either as individual instruments or in combination.
7.4 Heating Plate Operation
7.4.1 Note that during initial operation of a hot plate, some odour and vapors may be produced from the heating element, which is normal.
7.4.2 Place the sample vessel on the hot plate so that it is centered, where practical. For hot plates with multiple heating elements, center the vessel over a heating element, where practical.
7.4.3 Turn the instrument on and set the thermostat to the desired setting (as specified in the study plan). Refer to the instrument’s instruction manual for instrument-specific procedures.
7.4.4 Allow around 10 minutes for hot plate and liquid temperatures to stabilize.
7.4.5 If necessary, adjust the temperature by adjusting the thermostat.
7.4.6 When heating is complete, turn the unit off.
8.0 PRECAUTIONS
8.1 Heating plate should be handled with care.
9.0 REFERENCES
9.1 References
9.1.1 Refer to the manufacturer’s manual for additional information.
6.1.1 SOP : Standard Operating Procedure
6.1.4 No. : Number
6.1.5 Dept. : Department
6.1.6 QA : Quality Assurance Person or Executive
6.1.7 Next Rev : Next Revision
6.1.8 Rev. : Revision/Review
7.0 PROCEDURE
7.1 Introduction: A heating plate is a portable self-contained tabletop small appliance that features one, two or more electric heating elements or gas burners. A hot plate can be used as a stand-alone appliance. In laboratory settings, hot plates are generally used to heat glassware or its contents. Some hot plates also contain a magnetic stirrer, allowing the heated liquid to be stirred automatically. Hot plates are widely used for many industrial applications. These hot plates vary in size from 2 to over 300 square cm. Typical operating temperatures vary from 100 to 750 °C and power requirements are usually in the 120 V to 480 V range. Most industrial hot plates will withstand loads more than 150 lbs.
7.2.1 For basic maintenance procedures, calibration actions and trouble-shooting, please refer to the instrument’s instruction manual.
7.2.2 Magnetic stirrer / heating plate should be used on level surfaces.
7.2.3 If hazardous vapors will not be produced, hot plates should be in an area free of drafts to ensure heating efficiency.
7.2.4 Keep the top surface of the magnetic stirrer / heating plate clean. Use a non-abrasive cleaner to clean the surface and the outside of the unit.
7.2.5 Replace the top surface if damaged.
7.2.6 Do not use metal foil on hot plates.
7.2.7 Any maintenance or repair made to the instrument must be recorded.
7.3 General Operation
7.3.1 The following describes the general procedure for using magnetic stirrers and hot plates either as individual instruments or in combination.
7.4 Heating Plate Operation
7.4.1 Note that during initial operation of a hot plate, some odour and vapors may be produced from the heating element, which is normal.
7.4.2 Place the sample vessel on the hot plate so that it is centered, where practical. For hot plates with multiple heating elements, center the vessel over a heating element, where practical.
7.4.3 Turn the instrument on and set the thermostat to the desired setting (as specified in the study plan). Refer to the instrument’s instruction manual for instrument-specific procedures.
7.4.4 Allow around 10 minutes for hot plate and liquid temperatures to stabilize.
7.4.5 If necessary, adjust the temperature by adjusting the thermostat.
7.4.6 When heating is complete, turn the unit off.
8.0 PRECAUTIONS
8.1 Heating plate should be handled with care.
9.0 REFERENCES
9.1 References
9.1.1 Refer to the manufacturer’s manual for additional information.
END OF THE DOCUMENT
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