sop for operation and calibration of shore hardness tester
1.0. OBJECTIVE:
The objective of this SOP is:
1.1 To describe the operation procedure of shore hardness tester.
1.2 To describe the calibration procedure of shore hardness tester.
2.0. RESPONSIBILITY:
2.1 The Chemist – Quality Control
.
3.0. ACCOUNTABILITY:
Executive – Quality Assurance
4.0. PROCEDURE:
4.1. OPERATING PROCEDURE:
4.1.1 Move the cover at the bottom of the instrument below the indenter.
4.1.2 Place the indenter of the instrument above the specimen under consideration.
4.1.3 Press the equipment over the specimen under consideration.
4.1.4 Check the dial reading and same shall be note down in analytical test report.
4.1.5 This is the hardness of the specimen
4.2. CALIBRATION:
4.2.1 Calibration shall be carried out by using the standard hardness gauges available with the equipment as per the steps 4.1.1 to 4.1.5.
4.2.2 Record the observations in the calibration format ( Annexure –1)
4.2.3 If calibration results are not within the standard units, put the label “OUT OF ORDER” and inform to the supplier for rectification.
4.2.4 The instrument shall not be used till the rectifications and calibration have not carried out.
4.3. Frequency of calibration:
4.3.1. Calibration of Shore hardness tester shall be done on quarterly basis and after every maintenance job.
5.0. REASON FOR REVISION:
This procedure is modified in order to be more effective in the line of action; responsibility, detailed testing procedure and calibration procedure.
6.0. TRAINING:
Trainer — Head – Quality Assurance
Trainee — All departmental heads
7.0. DISTRIBUTION:
Certified Copy No. 1 : Head of Department – Quality Control
Original Copy : Head quality assurance
8.0. ANNEXURE:
Annexure – 1 : Format for Calibration of Shore Hardness Tester
9.0. REFERENCE:
Manufacturer’s Manual.
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