手持式数字多用表自动校准装置的研制

doi:10.3969/j.issn.1000-1158.2019.6A.023

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Abstract Digital multimeters are widely used in the fields of scientific research and production, national defense technology and industrial and agricultural production because of their various measuring functions. Compared with the desktop digital multimeter, the hand-held digital multimeter, can only display the measurement data through the LED digital tube on the display screen due to the lack of program control interface, and its automatic test is a difficult problem in the field of electrical measurement. The design idea and function modules of the hand-held digital multimeter calibration device were introduced. The device can satisfy the calibration work of daily hand-held digital multimeter, and its efficiency was improved by 72% on the premise of ensuring the accuracy of calibration results.

Key words： metrology digital multimeter hand-held automatic

Received: 30 September 2019

PACS:

TB971

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	Articles by authors
	KANG Ting-ting
	ZHANG Lei
	WANG Yue-tong
	FANG Fei

Cite this article:

KANG Ting-ting,ZHANG Lei,WANG Yue-tong, et al. Development of Automatic Calibration Device for Hand-held Digital Multimeter[J]. Acta Metrologica Sinica, 2019, 40(6A): 107-110.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.6A.023 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I6A/107

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