JPS5218393A - Ion type gas concentration measuring apparatus - Google Patents

Ion type gas concentration measuring apparatus

Info

Publication number
JPS5218393A
JPS5218393A JP9395375A JP9395375A JPS5218393A JP S5218393 A JPS5218393 A JP S5218393A JP 9395375 A JP9395375 A JP 9395375A JP 9395375 A JP9395375 A JP 9395375A JP S5218393 A JPS5218393 A JP S5218393A
Authority
JP
Japan
Prior art keywords
measuring apparatus
gas concentration
type gas
concentration measuring
ion type
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP9395375A
Other languages
Japanese (ja)
Inventor
Hirobumi Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NITSUTAN KK
Nittan Co Ltd
Original Assignee
NITSUTAN KK
Nittan Co Ltd
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 NITSUTAN KK, Nittan Co Ltd filed Critical NITSUTAN KK
Priority to JP9395375A priority Critical patent/JPS5218393A/en
Publication of JPS5218393A publication Critical patent/JPS5218393A/en
Pending legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

PURPOSE: To provide interchangeability to FET to eliminate the effect on the changes in indication of smoke concentration based on differences in its characteristics thereby facilitating repair and adjustment of troubles when they occur.
COPYRIGHT: (C)1977,JPO&Japio
JP9395375A 1975-08-01 1975-08-01 Ion type gas concentration measuring apparatus Pending JPS5218393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9395375A JPS5218393A (en) 1975-08-01 1975-08-01 Ion type gas concentration measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9395375A JPS5218393A (en) 1975-08-01 1975-08-01 Ion type gas concentration measuring apparatus

Publications (1)

Publication Number Publication Date
JPS5218393A true JPS5218393A (en) 1977-02-10

Family

ID=14096783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9395375A Pending JPS5218393A (en) 1975-08-01 1975-08-01 Ion type gas concentration measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5218393A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289594U (en) * 1988-12-22 1990-07-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289594U (en) * 1988-12-22 1990-07-16

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