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Patent Searching and Data


Title:
GAS CONCENTRATION MEASUREMENT METHOD AND GAS MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/179558
Kind Code:
A1
Abstract:
Embodiments of the present application provide a gas concentration measurement method and a gas measurement device. The method comprises: after a zero reference value calibration time is reached, measuring a gas concentration in the environment to obtain a first value; if the first value satisfies a preset condition; updating the current zero reference value according to a preset rule to obtain a new zero reference value; and correcting, by using the new zero reference value, a gas concentration measurement value subjected to the update of the zero reference value. The method can improve the accuracy of gas concentration measurement.

Inventors:
WU CHENGYU (CN)
Application Number:
PCT/CN2022/077654
Publication Date:
September 01, 2022
Filing Date:
February 24, 2022
Export Citation:
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Assignee:
HANGZHOU SANHUA RES INST CO LTD (CN)
International Classes:
G01N33/00
Foreign References:
CN107490613A2017-12-19
CN104237132A2014-12-24
CN110412217A2019-11-05
CN109556646A2019-04-02
CN101743479A2010-06-16
Attorney, Agent or Firm:
SUZHOU JIABO INTELLECTUAL PROPERTY (CN)
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