What is inflammation and the steps in the process of inflammation? We often feel redness, heat, swelling and pain at the site of wounds. Actually this is bodyâs defence mechanism to destroy the pathogen. Tissue damage caused by wound or invading pathogenic organisms induces a complex sequence of events collectively known as inflammation.
A flame detector is a sensor designed to detect and respond to the presence of a flame or fire. Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.
The human eye is most sensitive to light with wavelengths between 400 nm (blue) and. 700 nm (red). Any âlightâ with wavelengths longer than 700 nm is called infrared and is. not normally visible (except sometimes as a dull deep red). Devices used for OW systems. usually operate in the ânearâ infrared region between 700 nm and 1000 nm.