1 purpose
In order to strengthen the supervision and management of measuring instruments and ensure the accuracy and reliability of measurement values, these provisions are formulated.
2 scope
This standard specifies the management, requirements and assessment of measuring work, measuring instruments, measuring standards and testing equipment, as well as value transfer.
Three functions
3. 1 The Group established the Metrology Department, which is responsible for the overall management of the Group's metrology work.
3.2 The measurement department is responsible for the measurement and testing technology, value transfer, supervision and management, so as to ensure the accurate and unified measurement instruments and data of the Group.
3.3 Relevant offices and workshops shall be specifically responsible for the use, maintenance and inspection of measuring instruments in their own units.
4 measurement work management
4. 1 Accounting of measuring instruments, original records and technical files
4. 1.65438+
4. 1.2 The measuring department should improve the accounting of measuring instruments, and the department using measuring instruments should improve the sub-accounting of measuring instruments.
4. 1.3 For the measuring instruments that pass the verification, a verification certificate \ verification certificate shall be issued, signed by the verification personnel, stamped with the verification seal of the measuring instruments and labeled as qualified.
4. 1.4 The calibration certificate of standard instruments shall be kept for three years, and the original records and scrap list of measuring instruments shall be kept for one year.
4.2 Measurement Department Environment
4.2. 1 The metrological verification room shall be kept clean, the room temperature shall be constant, and combustible devices shall be properly kept.
4.2.2 Strictly implement the maintenance and operation procedures of monitoring and measuring devices.
4.3 Business training
4.3. 1 Metrology personnel shall hold valid verification qualification certificates issued by superior metrology departments.
4.3.2 The measurement department is responsible for the business training and business guidance of the measurement administrators in each production workshop and relevant departments.
5 Management of measuring instruments
5. 1 Purchase and acceptance
5. 1. 1 The purchase and acceptance of measuring instruments shall be managed by the measuring department.
5. 1.2 When relevant production workshops and departments need to add measuring instruments, they should put forward a plan to the measuring department, which will submit it to the general manager for approval and then send it to the purchasing department for procurement.
5. 1.3 The procurement of measuring instruments shall comply with the provisions of Article 4. 1 of Qt/ZQB7.6- 165438 Monitoring and Measuring Device Procedure.
5. 1.4 The warehousing acceptance of measuring instruments shall be carried out according to Article 4. 1.2 of Monitoring and Measuring Device Procedure Qt/zqb7.6-1.
5. 1.5 For the unqualified measuring instruments, the measuring department shall issue a report on the unqualified items and verification data, and notify the buyer to handle the return formalities.
5. 1.6 The newly purchased measuring instruments must comply with the provisions of the Metrology Law and bear the "CMC" mark.
5. 1.7 When unpacking the newly purchased measuring instruments along with the equipment, the department (or user department) shall send them to the measuring department for verification. After the verification is qualified, it can be put into use only after the measurement department numbers it, enters the card, issues a certificate of conformity/verification and affixes a qualified label.
5.2 Recipient
5.2. 1 When the relevant production workshops and departments receive measuring instruments, they should fill in the requisition form, which can only be received in the warehouse after being signed (sealed) by the person in charge of the measuring department.
5.2.2 The warehouse issues measuring instruments with the Measuring Instruments Requisition signed (or sealed) by the person in charge of the measuring department, and the requisitioning department sends the newly acquired measuring instruments to the measuring department for verification, posting, numbering and card building, and implements hierarchical management.
5.2.3 The measuring instruments in use in relevant production workshops and departments shall not be circulated at will. If it is really necessary to adjust, you should go through the formalities with the measurement department first. Users should properly keep their own measuring instruments and use them correctly, and may not lend them to others for use.
5.2.4 Self-made measuring instruments can be put into use only after they have passed the verification by the measurement department, and account management shall be established.
5.3 hierarchical management
According to the use place, precision grade, product requirements and stability of measuring instruments, the measuring instruments in use are divided into three levels of management: A, B and C.
5.3. 1A class measuring instruments are directly controlled and supervised by the measuring department.
A. the highest measurement standard of the group and its supporting measuring instruments.
B. Measuring instruments included in compulsory verification.
C. measuring instruments for key processes.
5.3.2 Class BB measuring instruments
A. Measuring instruments for non-critical parameter detection with data requirements for production process control and quality inspection.
B measuring instruments used for energy accounting and material management of important equipment in relevant production workshops and departments.
C measuring instruments that have certain requirements for the accuracy and reliability of measurement data, but have long service life and high reliability.
5.3.3C Class C measuring instruments
A. Indicating measuring instruments used for production process, quality inspection and fixed installation on production or devices, which are not easy to disassemble and have no strict accuracy requirements.
B measuring instruments with stable performance, high reliability, infrequent use and unchangeable value.
C. measuring instruments for general tools:
D measuring instruments for the welfare of users and grass-roots workers in daily life.
5.3.4 Requirements for hierarchical management
5.3.4. 1A measuring instrument
Establish the resume of the highest measurement standard of the group, the accounting of measuring instruments and the periodic verification plan, designate special personnel to keep and use them, and send them to the higher measurement department for verification on schedule, and make a good record of stability. If it is a group self-inspection, it should be carried out in strict accordance with the verification procedures and verification cycle. If any abnormality is found during use, the measured data shall be rechecked in time and re-submitted for inspection if necessary.
Class b measuring instrument
A. establish accounting of measuring instruments.
B. Make periodic verification plan and conduct verification according to verification regulations.
Class c measuring instrument
A. establish a ledger.
B. extend the verification period of measuring instruments.
It is mainly used in situations where the use environment is good, or the frequency of use is low, or the metering performance is stable, but there is still a certain accuracy requirement. The extended period shall not exceed 2-3 times of the original period.
C. period of validity management.
Mainly used in harsh environment, short service life, low value and easy consumption, and no strict accuracy requirements. But daily maintenance should be strengthened.
D. one-time verification.
It is mainly used for measuring instruments with stable measuring performance, low requirements for accuracy, low value and easy consumption. After passing the first verification, only routine maintenance will be carried out, and periodic verification will no longer be carried out. But if necessary, on-site verification (or comparison) is needed.
E. No authentication is required.
It is mainly a measuring instrument as a tool, or it requires no numerical value.
Classification marking method
Measuring instruments for periodic verification shall be marked with management grades A, B and C on the account, and measuring instruments shall be marked with (a), (b) and (c).
5.4 Regular verification
5.4. 1 periodic verification time must comply with the regulations. According to the production situation, the periodic verification time can be shortened, but not extended.
5.4.2 The periodic inspection rate of measuring instruments shall reach over 98%, and the periodic verification qualification rate shall reach over 96%.
5.4.3 After receiving the periodic verification notice, the production workshop and relevant departments shall collect measuring instruments within the specified time and send them to the measuring department for verification.
5.4.4 The verification time of measuring instruments in the measurement department generally does not exceed five working days (except for compulsory verification or external inspection).
5.4.5 When the production workshop and relevant departments find that the meters in use have problems or abnormalities, they shall not continue to use them, and must immediately send them to the metering department for verification.
5.5 Sampling inspection
5.5. 1 The measuring instruments in use must be in good condition and clean.
5.5.2 Users of measuring instruments have the right to refuse to use measuring instruments with inaccurate precision, without certificate or beyond the validity period of verification.
5.5.3 The measuring department is responsible for sampling the measuring instruments in use every month, and the sampling quantity is greater than 10% of the total number of measuring instruments in use in this department.
5.5.4 The qualified rate of sampling inspection of measuring instruments shall reach 95%.
5.5.5 Sampling contents include: whether the measuring instruments are in periodic verification, whether there are verification certificates and labels, whether there are any omissions, and whether the indicated values meet the verification requirements.
5.5.6 All sampling measuring instruments shall be recorded, and unqualified measuring instruments shall be stopped immediately.
5.6 Repair, Maintenance and Maintenance
5.6. 1 The measurement department is responsible for repairing the measuring instruments of the Group, and the production workshop and relevant departments are responsible for their use and maintenance. Shall not dismantle, repair or relocate metering facilities without authorization. If it is really necessary to dismantle or relocate, it must be approved by the metrological department.
5.6.2 The repaired measuring instruments shall meet the requirements of the grade or technical conditions determined by the verification regulations; If the accuracy level specified in the verification regulations or technical conditions cannot be reached, it shall be degraded or scrapped.
5.6.3 The metrological department shall be responsible for unified external inspection and maintenance of measuring instruments that the metrological department does not have the maintenance conditions for the time being.
5.7 Evaluation of measuring instruments
5.7. 1 If all kinds of measuring instruments collected and kept by individuals are lost or scrapped because they are used in violation of the operating rules, they shall be reported to the measuring department for filing after being signed by the person in charge, and compensation shall be made according to the standards listed in table 1 according to the actual use time.
Table 1
Actual use time
Compensation of% of the original price
In the first verification cycle
100
In the second verification cycle.
75
During the third verification period
50
During the fourth verification period
25
5.7.2 In any of the following circumstances, 2 points will be deducted in the unit assessment.
A. Verification certificate of measuring instruments \ Verification certificate, qualified label and parts are lost.
B. use measuring instruments that have not been verified and registered.
C. users disassemble measuring instruments without authorization.
D. inspection is not submitted regularly.
6 measuring instruments and test equipment
6. 1 All kinds of highest measurement standards established by the Group can only be put into use after passing the examination by the superior technical supervision department.
6.2 All working measuring instruments that are directly used for compulsory verification such as trade settlement, medical and health care, safety protection and environmental detection must apply to the unit authorized by the technical supervision department for verification before they can be put into use in the Group.
6.3 The standard instruments of measurement are the highest standards of value transmission of the Group and must be submitted for inspection regularly. It is forbidden to use standard measuring instruments that exceed the period, and the periodic inspection rate of standard measuring instruments in use must reach 100%.
6.4 According to the requirements of relevant technical documents or verification work, when it is necessary to purchase standard instruments, the metrological department shall put forward the model, specification, purpose and quantity and submit them to the General Manager for approval.
6.5 The newly purchased measurement standards shall be checked by the superior technical supervision department for eligibility. Qualified ones are put into use, and unqualified ones are notified to the purchasing department to handle the return.
6.6 When the measurement standards and testing equipment have lost their original accuracy level after being verified by the superior technical supervision department, they should be used according to the verification data of the superior technical supervision department to reduce the accuracy level, and those confirmed to have been scrapped should be scrapped in time.
6.7 Use management
6.7. 1 Measurement standards and test equipment shall be kept by users, who shall be responsible for their technical conditions.
6.7.2 Before use, the measurement standards and test equipment should be checked and confirmed to be normal before use. After use, all switches should be turned off, the power supply should be cut off, cleaned and oiled for rust prevention.
6.7.3 All measurement standards shall not be lent out. If there are special needs in production, it should be approved by the person in charge of measurement and go through the borrowing procedures.
6.7.4 The measurement standards and test equipment are out of order and inaccurate, and should be reported in time.
7 Whether the value transfer system is consistent
7. 1 Various standard measuring instruments established by our group accept the transmission of the last benchmark measurement value to ensure the accuracy and consistency of the values.
7.2 The measurement department is responsible for the value transfer of measuring instruments such as temperature, mechanics and group leader. Through verification or comparison, all kinds of measuring instruments in use are ensured to be used within the allowable error range, and the verification certificate or measurement test report is issued by the measurement department.
8 Measurement management evaluation and inspection
8. 1 The quality inspection department is responsible for the assessment and inspection of measurement management.
8.2 The measurement department is responsible for supervising and inspecting the use of measuring instruments in various workshops and relevant departments.
8.3 These Provisions are applicable to the review of relevant standards for product quality management.