| Operation of Vernier Caliper |
1.0 PURPOSE 1.1 To Define procedure for operation of Vernier calliper in quality control department. 2.0 SCOPE 2.1 This procedure for operation of Vernier calliper in quality control department. 3.0 REFERENCE(S) & ATTACHMENTS 3.1 In house 3.2 Attachments 3.3 NA 4.0 RESPONSIBILITY 4.1 Quality control Officer/ Executive: 4.1.1 To initiate the preparation of SOP through the inputs from the employees directly concerned with the activity in quality control department. 4.1.2 To prepare the SOP and list of all assigned numbers of the SOP for their departments. 4.2 Quality Control Head: 4.2.1 To confirm the content, accuracy and detailing about of SOP. 4.2.2 To organize the approval of SOP from Quality assurance (QA head) and Location Head. 4.2.3 To ensure the training of the SOP to all concerned involved in implementation of the SOP. 4.2.4 To ensure user the implementation of the SOP after training. 4.3 Quality Assurance Department 4.3.1 To check the SOP and maintain the original copy of the SOP. 4.3.2 To issue controlled copy of the SOP and maintain issuance record of SOP. 4.3.3 To retrieve the controlled copy of the SOP when it is superseded/obsolete. 4.3.4 To control and monitor the review process of the SOP. 4.4 Quality Assurance Head & Location Head 4.4.1 To review and approve SOP. 4.4.2 To ensure the implementation of the defined system in quality control department. 5.0 DISTRIBUTION 5.1 Quality control department 6.0 ABBREVIATION(S) 6.1 SOP : Standard Operating Procedure 6.2 QA : Quality Assurance 6.3 QC : Quality Control 6.4 No. : Number 6.5 VAC : Voltage Alternate current 6.6 NA : Not Applicable 7.0 PROCEDURE 7.1 Equipment Details As per instrument DQ. 7.2 Operating 7.2.1 For Vernier caliper press on key with the jaw closed. 7.2.2 caliper should be checked before each use to make sure that it is properly zero set. the reading should be zero when the external jaws are closed, otherwise press ‘origin’ to set zero reading. 7.2.3 Open the jaw and place the sample in between the jaws and close it. 7.2.4 Always apply constant force on thumbwheel during measurement. 7.2.5 Note the reading. 7.2.6 Measuring faces should be carefully protected from being scratched or damaged.do not operate abruptly, drop or strike calliper. 7.3 Cleaning procedure 7.3.1 Clean measuring jaws holding disks with a slightly wet cloth and then with a dry cotton cloth. 7.3.2 Clean measuring jaws holding disks with a dry cotton cloth whenever required during and after the test. 7.4 Calibration 7.4.1 Calibration of Vernier Caliper must be done by outside party. 7.5 Frequency of Calibration 7.5.1 Frequency of calibration is yearly and after each maintenance job. 7.6 Precaution 7.6.1 Don’t scratch or band jaw of caliper. |
