1.0 OBJECTIVE
To validate the Heating block using a calibrated thermometer.2.0 SCOPE
This procedure is applicable to validate the heating block which is to be used for LAL test.3.0 RESPONSIBILITY
3.1 Doing: Technical Assistant (Microbiologist)/Executive3.2 Checking: Executive/Manager
4.0 ACCOUNTABILITY
Head of the Department5.0 PROCEDURE
Frequency: Every Month5.1 Take 5 calibrated thermometer and give them No. L1, L2, L3, L4, L5 as mentioned in the annexure.
5.1 Keep five thermometer in test tubes at the different location inside well of the heating block as per location chart enclosed.
5.2 Operate Heating block as per S.O.P.
5.4 Compare temperature of each thermometer with respect to temperature adjusted one on a heating block at every 15 minutes interval up to 1 hours.
5.5 Record the result as per annexure.
5.6 Acceptance Criteria :
The temperature on display should be within 37°C + 1°C.
5.7 The results obtained at all location of the heating block should be within 36 to 38°C.
5.8 Change the location by placing the thermometer in other than previously selected location to cover maximum well during validation in a calendar year.
6.0 ABBREVIATIONS
°C = Degree centigrade
ANNEXURE
MICROBIOLOGY LABORATORY
Heating Block Validation
Thermometer ID. NO.
|
Time
Interval minutes
|
Location
|
Temperature on
Calibrated Thermometer
|
Temperature on display
|
Sign
|
Remarks
|
L1
| ||||||
L2
| ||||||
L3
| ||||||
L4
| ||||||
L5
| ||||||
L1
| ||||||
L2
| ||||||
L3
| ||||||
L4
| ||||||
L5
| ||||||
L1
| ||||||
L2
| ||||||
L3
| ||||||
L4
| ||||||
L5
| ||||||
L1
| ||||||
L2
| ||||||
L3
| ||||||
L4
| ||||||
L5
|
Acceptance Criteria : 37°C + 1°C
Conclusion :
Analyst Checked by
(Date) (Date)
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