Hot air oven Calibration SOP


1.0  OBJECTIVE:
To lay down the calibration procedure of Hot air oven 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 air oven 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 air oven.
5.2  Calibrated thermometer.
6.0  PROCEDURE:
6.1  Operate the Hot air oven according to the SOP.
6.2  For the calibration of hot air oven use a standard thermometer ranging up to 300oC.
6.3  Start the calibration procedure after 1 hour of starting the oven.
6.4  Set the oven at desired temperature.
6.5  Put the standard thermometer for 30 min in upper shelf of hot air oven and close the door of it.
6.6  After 30 min open the door of hot air oven and read the temperature of standard thermometer randomly and match the observed temperature of thermometer.
6.7  Repeat the above procedure by putting the thermometer in lower shelf for 30 min.
6.8  Record the observed temperature in calibration record of hot air oven as per annexure-1.
6.9  The observed temperature of thermometer in both shelves should be ±2.0oC tolerance limit to the set temperature value.
6.10    Record the result on the “Calibration Record”, “Calibration Log Book” & paste the “Calibration Status Sticker” on Hot air Oven.
6.11    Frequency:
6.11.1    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 air oven.


Annexure: 1
Calibration record of Hot air oven.
Calibration record of Hot air oven.
Calibration date
Date of last calibration done
Next due for calibration




Instrument details
Instrument name
Instrument make
Instrument identification No.



Location:

Frequency:


Observation Chart
Location
Set temperature
Observed temperature
Tolerance
Observed by
Upper shelf


±2.0oC

Lower shelf


±2.0oC






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
min
Minutes


No comments:

Post a Comment