JPS6065666U

JPS6065666U - Gas concentration alarm device

Info

Publication number: JPS6065666U
Application number: JP15954383U
Authority: JP
Inventors: 佐野　清助; 英夫竹内
Original assignee: 横河電機株式会社; 三鷹工業株式会社
Priority date: 1983-10-14
Filing date: 1983-10-14
Publication date: 1985-05-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

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Claims

[Scope of utility model registration request]

(1) A gas concentration alarm device comprising a sensor installed at a measurement site and a means installed at a location away from the site for indicating a concentration or warning based on a detection signal of the sensor, comprising: an output signal of the sensor; a signal processing section that inputs an operation mode setting signal of the device, performs predetermined processing, and outputs a concentration signal, an alarm signal, and an operation mode switching signal; a concentration instruction section that inputs the concentration signal; and a concentration instruction section that inputs the alarm signal. and a means for introducing a calibration gas into the sensor based on the operation mode switching signal. A gas concentration alarm device, characterized in that it drives a means for displaying a concentration indication or alarm, which is installed at a location away from the site.

(2) The utility model registration claim 1, characterized in that the signal processing unit is given an operation mode setting signal of the device from an operation switch provided in the measurement unit or an operation switch provided outside the measurement unit. Gas concentration alarm device.

(3) The gas concentration alarm device according to claim 2, wherein the operation switch is a manual switch or a timer.