Search found 837 matches

by vedard
Wed Jun 28, 2023 1:48 pm
Forum: Fire security solutions
Topic: Why is heat detector used for garage fire detection
Replies: 1
Views: 3292

Why do museums need gas detectors

Buildings and collections in museums are prone to fires. When a fire occurs, gas detectors can detect gases such as carbon dioxide produced by burning objects and send an alarm in time. Therefore, museums need to install various types of fire detectors in order to detect and put out fires at first t...
by vedard
Wed Jun 28, 2023 1:25 pm
Forum: Code for fire alarm systems
Topic: How to extend the service life of gas alarm
Replies: 2
Views: 2142

The reading on the gas detector is negative. Why?

All electrochemical or catalytic bead gas sensors are prone to enter the positive and negative reading drift regime due to environmental factors such as temperature and humidity variations. But these are not the common reasons for negative sensor readings. 1. Zero readings in the polluted atmosphere...