Title:
GAS SENSOR UNIT AND GAS DETECTOR
Document Type and Number:
Japanese Patent JP2018040614
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a gas sensor unit having a sensitivity check function using an actual gas, and a gas detector including the gas sensor unit.SOLUTION: In a gas sensor unit, a gas sensor for reacting to a hydrogen gas and a hydrogen gas supply part for supplying the hydrogen gas as a gas for checking the sensitivity of the gas sensor to the gas sensor are provided in a common housing. The hydrogen gas supply part includes: a hydrogen gas generation source for electrochemically generating the hydrogen gas; and a buffer chamber for storing the hydrogen gas from the hydrogen gas generation source.SELECTED DRAWING: Figure 1
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Inventors:
TAJIMA HIDEJI
TAKEI YASUNORI
TAKEI YASUNORI
Application Number:
JP2016173438A
Publication Date:
March 15, 2018
Filing Date:
September 06, 2016
Export Citation:
Assignee:
RIKEN KEIKI KK
International Classes:
G01N27/16; G01N27/12; G01N27/18
Domestic Patent References:
| JP2004347601A | 2004-12-09 | |||
| JP2004233318A | 2004-08-19 | |||
| JPH10197383A | 1998-07-31 | |||
| JP2009524824A | 2009-07-02 | |||
| JP2004093204A | 2004-03-25 | |||
| JPH10311815A | 1998-11-24 |
Foreign References:
| US20060042351A1 | 2006-03-02 | |||
| US20080156074A1 | 2008-07-03 |
Attorney, Agent or Firm:
Masahiko Oi