SOP for Calibration and Operation of Micrometre

This guide is for the steps of calibrating and operating of micrometer so you can get accurate results every time. It is a DIY project or professional work, understanding the basics of micrometer calibration and usage is essential.

1.0 OBJECTIVE

1.1 To provide the guideline for operation, maintenance, and calibration of Digital Micrometre.

2.0 SCOPE

2.1 This procedure is applicable to the Digital Micrometre used in the packaging laboratory of quality Controlled.

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3.0 RESPONSIBILITIES

3.1 QC Chemists Lab analyst follows the SOP.

3.2 Head- QA, and QC for implementation of SOP.

Calibration and Operation of  Micrometer

4.0 Operating Procedure 

4.0 Clean the faces of the anvil and spindle with cloth or paper then bring them together carefully by turning the ratchet stop. If the line marked ‘0’ on the thimble does not coincide with the reference line of the sleeve, adjust zero position in the following manner.

4.2 Deviation within & over ± 0.01 mm (0.001”): adjust the sleeve & then press the zero button until. The reference line coincides with the “0” line of the thimble.

4.3 Before every application check the instrument for zero position.

4.4 Turn ratchet stop in an anticlockwise direction. Then keep the object of which thickness is to be measured between two faces of an anvil, bring it close to each other carefully by turning the ratchet stop clockwise so as to hold the object sufficiently.

4.5 Check the reading on the digital screen.

4.6 Least count of the Digital Thickness Gauge is 0.001 mm and its maximum capacity is 25 mm.

Sop for micrometer

5.0 Cleaning And Maintenance 

5.1 Handle the instrument with care.

5.2 Regularly clean the instrument with a dry cloth.

5.3 Keep the apparatus in the cabinet box when not in use.

6.0 Callibration Procedure 

6.1 Instrument calibration must be performed within calibration window of ±7 day from the due date of calibration,

6.2 Calibrate the instrument through an external agency.

6.3 Calibration Frequency Yearly & External agency.

7.0 Safety Precautions

7.1 Handle the micrometer with care to avoid damage to its delicate parts.

7.2 Do not over-tighten the micrometer onto objects to prevent damage and inaccurate readings.

8.0 ABBREVIATION

SOP:     Standard Operating Procedure

QA:      Quality Assurance

QC:      Quality Control

CM:     Centimeter

9.0 REFERENCE:

Refer to the manufacturer's manual for specific calibration and operation guidelines.

BANTI SINGH

Hi I'm Banti Singh, a Chemical Engineer! Welcome all of you to my blog. If you got the information right? Share the information. All of you Thank you

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