A verification method for insulation resistance detection capability
A technology for insulation resistance and proficiency verification, applied to measuring devices, measuring electrical variables, instruments, etc., can solve problems such as non-compliance, and achieve the effects of low manufacturing cost, simple use, and convenient transportation
Active Publication Date: 2022-06-21
VKAN CERTIFICATION & TESTING
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Problems solved by technology
Traditional proficiency testing samples can be directly measured with a multimeter or resistance meter to obtain accurate resistance values. Based on this, some institutions participating in proficiency testing directly report the test data of multimeters as sampling data for proficiency testing, which does not meet the original intention of proficiency testing activities.
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:
[0020] The steps of the insulation resistance detection capability verification method of the present invention are as follows:
[0021] 1) At the beginning of each proficiency testing activity, first distribute insulation resistance proficiency testing samples to the departments to be verified;
[0022] 2) According to the data sent by the department to be verified, the insulation resistance detection capability of the department to be verified is evaluated.
[0023] like figure 1 As shown, the samples used include common terminal 1, housing 2, I-position terminal 3, and II-position wiring 4; the upper surface of the housing 2 can print the unit LOGO, and the side can print the sample name and number; two gears Position terminals 2 and 3, and a common terminal 1 are separately mounted on two opposite end faces of the housing 2, and...
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The invention discloses a method for testing the ability of insulation resistance testing, which comprises the following steps: 1) at the beginning of each ability verification activity, first distribute insulation resistance ability verification samples to institutions participating in the ability verification; The data sent to evaluate its insulation resistance detection capability; the insulation resistance capability verification sample includes the shell and the insulation resistance capability verification circuit sealed in the shell. One end of the verification circuit is electrically connected to the public terminal, and the other end is electrically connected to the gear terminal; the insulation resistance capability verification circuit is composed of a resistance circuit and two zener diodes with opposite polarities connected in series with the resistance circuit. The method of the invention can regulate the operation of the institutions participating in the proficiency verification, and restrict the institutions participating in the proficiency verification to use the insulation resistance tester to test the resistance value of the sample according to the standard method stipulated in the work instruction book.
Description
technical field [0001] The invention relates to the technical field of capability verification, in particular to an insulation resistance detection capability verification method capable of preventing the use of a multimeter to test insulation resistance. Background technique [0002] Proficiency testing is an activity that uses inter-laboratory comparisons to determine the calibration, testing capability of a laboratory or the testing capability of an inspection agency. Proficiency testing activities refer to any interlaboratory comparisons and measurement audits used to assess laboratory competence. Such as activities run by national or regional accreditation bodies and their partner organisations, government departments or industry organisations or other providers of formal proficiency testing schemes. [0003] Carrying out proficiency testing activities has a positive effect on the relevant aspects involving testing or calibration. For laboratories, it is the need to me...
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IPC IPC(8): G01R35/00
CPCG01R35/00G01R35/007
Inventor 姚磊王珊珊朱珈赫明山
Owner VKAN CERTIFICATION & TESTING