Lower Explosive Limit (LEL)
The minimum concentration of a flammable gas in air capable of igniting is called the Lower Explosive Limit, or LEL.
Fire & Gas System
Fire and Gas System Tutorial and training materials to understand the technical concept of fire alarm and gas detection systems.
Hydrogen Sulfide Gas (H2S)
Hydrogen Sulfide (H2S) is a highly toxic gas, with a pungent “rotten eggs” odor at low concentrations but no visible
Active and Passive Fire Protection
Active fire protection systems such as water sprinkler and spray systems are widely used in the process industries for protection
Safety Gas Analyzers
Process analyzers measure the concentration of specific substances for the purpose of measuring and/or controlling those concentrations in a process
Carbon Monoxide Gas Sensor Principle
Schematic diagrams of Electrochemical-type gas sensor and Chemical reactions Image Credits : figaro Electrochemical-type gas sensor are amperometric fuel cells with
Catalytic Type Gas Sensor Principle
Catalytic-type gas sensor consist of two elements: a detector element (D) which contains catalytic material and is sensitive to combustible
MOS Type Gas Sensor Principle
MOS Type Gas Sensor Principle In clean air, donor electrons in tin dioxide are attracted toward oxygen which is adsorbed
Fixed Gas Detectors vs. Portable Gas Detectors
Fixed Gas Detection Systems vs. Portable Gas Monitors Fixed gas detection systems and portable gas monitors are both essential to
Why we use End of Line (EOL) Resistor in Fire and Gas System ?
The End-of-Line Resistor used in fire alarm systems and security systems may look the same as a Terminating Resistor, however
What is Bump Testing ?
The latest version of the International Safety Equipment Association (ISEA) statement applies to all types of direct reading portable gas