Applied Markets
Installed Gases
Project Details
Hello. Today's installation case covers a confined space hazardous gas detector.
If you're wondering why gas detectors are installed, it helps to first understand what a confined space is. Please take a look at the photo below.

A confined space is still a confined space even if it has windows, as long as they remain closed. In fact, any location cut off from outside air by an improperly functioning ventilation system can become a confined space. Naturally, if gas leaks or oxygen becomes deficient in such an unventilated area, life can be put at risk.

The normal oxygen concentration in the air we breathe is 20.9%. If a gas leak in a confined space causes the oxygen concentration to fall below 18%, workers begin to feel dizziness, and if it drops even further, life is threatened.

This week's installation site was a general company's factory — specifically the electrical room, boiler room, and water treatment facility. Before installation, a site visit is always conducted to recommend the appropriate gas sensors for the site and to optimize the construction cost.

As shown in the photo above, if oxygen and hazardous gas concentrations need to be checked before entering a doorway or confined space, an LED display board capable of gas concentration monitoring can be configured alongside the detector.

The gas detector installed at most of these sites is the FIX800. As a fixed multi-gas detector, the FIX800 can mount up to four sensors simultaneously in a single unit, making it economically advantageous relative to its performance — a single unit provides detection of four gas types, reducing installation cost as well.
Frequently Asked Questions (FAQ)
What is considered a confined space?
Any space that is closed off — even if it has windows, as long as they remain shut — and disconnected from outside air due to an improperly functioning ventilation system can be considered a confined space.
How dangerous can oxygen depletion become in a confined space?
Normal atmospheric oxygen concentration is 20.9%. If a gas leak in a confined space causes oxygen to fall below 18%, workers experience dizziness, and levels lower than that pose a threat to life.
Where was this particular installation carried out?
This installation was carried out at a general company's factory, covering the electrical room, boiler room, and water treatment facility. A site visit was conducted beforehand to recommend the appropriate gas sensors and optimize installation cost.
What are the advantages of the FIX800 fixed gas detector?
The FIX800 can mount up to four sensors simultaneously in a single unit, making it economical relative to its performance — one unit alone can detect four gas types, reducing installation cost.
Is there a way to check gas concentration before entering a confined space?
Yes. An LED display board capable of monitoring gas concentration can be installed alongside the detector so that oxygen and hazardous gas levels can be checked before entering a doorway or confined space.
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