What is Photoionization Detector (PID)?
The Photoionization Detector (PID) applies ultraviolet light to the detectable gas to ionize it. This causes an ion current to be generated. The sensor measures this current to determine the...
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Which One is Best – Conventional or Addressable Fire Alarm System?
Study this guide to have a basic understanding of two main types of fire alarm systems which are Conventional or Addressable Fire Control Panels. There are various differences between the...
Why Negative Readings in Gas Detectors ?
Why Negative Readings in Gas Detectors ? This is a common question that is frequently asked. As recently as today in fact. So, why do you sometimes see negative readings...
Objective Questions of Building Fire and Gas Detectors
Read the Objective Questions of Building Fire and Gas Detectors, Building Automation Objective Questions and Fire & Gas System Engineers MCQ. Building Fire and Gas Detectors 1 What is the...
Fire Alarm System Commissioning Procedure
How to do the Fire & Gas System Pre-Commissioning Activities, Fire Alarm System Commissioning procedure, Fire Alarm Control Panel Commissioning steps. Fire Alarm System Commissioning Fire Alarm System Pre-Commissioning Activities Check all...
Rate Compensated Heat Detectors Working Principle
Rate compensated heat detectors are designed to initiate an alarm when the temperature of the surrounding air reaches a predetermined level, regardless of the rate of temperature rise. Rate Compensated...
Fixed Temperature Heat Detector Working Principle
A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass...
Rate of Rise Thermal Detectors Working Principle
A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass...
What is Fire Alarm System?
A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are...
What is Manual Call Point (MCP) ?
Manual Call Point is a device for the manual initiation of an alarm. Manual fire alarm activation is typically achieved through the use of a pull station (term used in USA...