Water bath Calibration SOP

1.0  OBJECTIVE:

To lay down the calibration procedure of Water bath 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 Water bath 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  Water bath.

5.2  Calibrated thermometer.

6.0  PROCEDURE:

6.1  Switch “ON” the mains.

6.2  Operate water bath according to the SOP.

6.3  Set the desired temperature against standard thermometer at 37^oC, 50^oC and 90^oC.

6.4  Note the results in the given annexure-1.

6.5  Record the result on the “Calibration Record”, “Calibration Log Book” & paste the “Calibration Status Sticker” on the water bath.

6.6  Frequency:

6.6.1        Calibration after three 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 water bath.

Annexure: 1

Calibration record of water bath.

CALIBRATION RECORD OF WATER BATH Calibration date Date of last calibration done Next due for calibration Instrument details Instrument name Instrument make Instrument identification No. Location: Frequency: Observation Chart Sr. no. Standard value (oC) Set value (oC) Tolerance Remarks 1.        37oC ±0.5oC 2.        50oC ±0.5oC 3.        90oC ±0.5oC 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
QCEB	Quality control equipment calibration
F	Format
oC	Degree centigrade
DTC	Digital temperature controller