HK1256664A2 - 一種用於較準氣體檢測器件的系統與方法 - Google Patents

一種用於較準氣體檢測器件的系統與方法

Info

Publication number
HK1256664A2
HK1256664A2 HK18110874A HK18110874A HK1256664A2 HK 1256664 A2 HK1256664 A2 HK 1256664A2 HK 18110874 A HK18110874 A HK 18110874A HK 18110874 A HK18110874 A HK 18110874A HK 1256664 A2 HK1256664 A2 HK 1256664A2
Authority
HK
Hong Kong
Prior art keywords
detecting device
gas detecting
calibrating
gas
activating
Prior art date
Application number
HK18110874A
Other languages
English (en)
Inventor
Kam Fu Chow
Original Assignee
Kam Fu Chow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kam Fu Chow filed Critical Kam Fu Chow
Publication of HK1256664A2 publication Critical patent/HK1256664A2/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
HK18110874A 2017-08-25 2018-08-23 一種用於較準氣體檢測器件的系統與方法 HK1256664A2 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK17108569 2017-08-25

Publications (1)

Publication Number Publication Date
HK1256664A2 true HK1256664A2 (zh) 2019-09-27

Family

ID=65438375

Family Applications (1)

Application Number Title Priority Date Filing Date
HK18110874A HK1256664A2 (zh) 2017-08-25 2018-08-23 一種用於較準氣體檢測器件的系統與方法

Country Status (4)

Country Link
US (1) US20200363383A1 (zh)
CN (1) CN111033252A (zh)
HK (1) HK1256664A2 (zh)
WO (1) WO2019037748A1 (zh)

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US20220163497A1 (en) * 2019-03-22 2022-05-26 Blackline Safety Corp. Gas sensor testing apparatus and methods
SG11202012779PA (en) * 2019-05-17 2021-12-30 Carrier Corp Gas detector test and calibration method and apparatus
CN112285046A (zh) * 2020-10-19 2021-01-29 河南省计量科学研究院 一种机动车尾气遥感检测系统检定装置和方法
US11610472B1 (en) * 2021-09-07 2023-03-21 Honeywell International Inc. Aspirating smoke detector device operational analysis
US11614429B1 (en) 2021-09-21 2023-03-28 Saudi Arabian Oil Company Universal autonomous safety guard

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Also Published As

Publication number Publication date
WO2019037748A1 (en) 2019-02-28
US20200363383A1 (en) 2020-11-19
CN111033252A (zh) 2020-04-17

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PF2 Short-term patent ceased to have effect under s.126(2) (not payment of maintenance fee and has 6-month grace period to pay)

Effective date: 20220823