Hot plate stirrer Calibration SOP

byWeb of Pharma •

Hot plate stirrer Calibration SOP
1.0  OBJECTIVE:
To lay down the calibration procedure of Hot plate stirrer to provide a system to calibrate, control and maintain the equipment used for inspection measuring and test equipment in order to ensure the correctness of measurement and test status.
2.0  SCOPE:
This shall be applicable to the Hot plate stirrer of Quality Control Instrument Laboratory.
3.0  RESPONSIBILITY:
3.1  Technical Assistant/ Helper.
3.2  Q.C Analyst.
4.0  ACCOUNTABILITY:
4.1  Manager-Quality Control.
5.0  MATERIAL AND EQUIPMENT:
5.1  Hot plate stirrer.
5.2  Calibrated thermometer.
6.0  PROCEDURE:
6.1  Firstly clean the Hot plate stirrer, according to SOP.
6.2  Operate the Magnetic stirrer and hot plate, according to SOP.
6.3  Calibration of temperature:
6.3.1        Start the calibration procedure by using calibrated thermometer ranging up to 300oC.
6.3.2        Place the beaker or flask containing sample in the mid most of hot plate stirrer.
6.3.3        Operate only hot plate without using magnetic stirrer.
6.3.4        Set temperature of the hot plate by temperature regulator.
6.3.5        Dip calibrated thermometer at one side of the beaker.
6.3.6        Record both control panel temperature display and calibrated thermometer temperature.
6.3.7        Record the result in annexure-1.
6.3.8        Similarly, repeat the procedure at different temperature. And record the temperature.
6.4  Record the result on the “Calibration Record”, “Calibration Log Book” & paste the “Calibration Status Sticker” on Hot plate stirrer.
6.5  Frequency:
6.5.1        Once in a month.
7.0  REVISION LOG:
Revision No.
Effective Date
Reason
00

New SOP

8.0  REFERENCES:
8.1  Not Applicable.
9.0  ANNEXURES:
Annexure 1: Calibration record of Hot plate stirrer.



Annexure: 1
Calibration record of Hot plate stirrer
CALIBRATION RECORD OF HOT PLATE STIRRER
Calibration date
Date of last calibration done
Next due for calibration




Instrument details
Instrument name
Instrument make
Instrument identification No.



Location:

Frequency:


Observation Chart
A.    Calibration of temperature:
Instrument used:
Calibrated thermometer.
Sr.#
Temp on Display
(oC)
Temp on Thermometer
(oC)
Tolerance (oC)
Remarks
1.       


±2

2.       


±2

3.       


±2


Remarks: The calibration procedure of instrument is within tolerance limit and gives satisfactory/ not satisfactory results.
Calibration by/date:
Checked by/date:




10.0    ABBREVIATIONS:
Abbreviation
Expanded Form
SOP
Standard operating procedure
&
And
No.
Number  
Ltd.
Limited
Q.C
Quality control
Q.A
Quality assurance
BM
Bio-Mark
QCEB
Quality control equipment calibration
F
Format
oC
Degree centigrade


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