A Thermometer is a device for measuring the temperature of any object specially for human beings, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury and alcohol which extends along the tube as it expands.
There are different types of thermometer. Some of them are as following:-
- Medical thermometers,
- Infrared thermometers,
- Mercury thermometers,
- Thermocouple thermometers,
- Laboratory thermometers,
- Bimetallic strip thermometers,
THERMOMETER GUN
Thermometer gun is a device that measures the temperature of body from a distance, sometimes even a laser thermometer gun is also used to measure the body temperature as it uses laser to measure the temperature of a distant object. Many temperature guns are capable of switching between Celsius and Fahrenheit.
In recent times, it has become an important tool for all the countries scrambling to contain viral outbreaks. It is widely used to check the body temperature of a person from distance. In times of outbreak of COVID 19 (Coronavirus) where the virus is spreading from the droplets of the infected person this thermometer gun is very efficient and useful. As it helps to check the temperature of a person or patient from far away keeping the healthcare officers safe and help to control and check the spread of coronavirus(COVID-19)
Common features of thermometer gun are:
1. Temperature Range and Resolution
2. Focus Spot Size and Distance
3. Accuracy
4. Emissivity
5. Laser Sighting
HOW A THERMOMETER GUN WORKS?
The design of thermometer gun essentially consists of a lens to focus the infrared thermal radiation on to a body or object, this converts the radiant power to an electrical signal that can be displayed in units of temperature on the screen of the thermometer gun. This helps to take temperature measurement from a distance without contact with the object to be measured.
AVAILABILITY OF THERMOMETER GUN BY FDA
FDA proclaimed that there is currently an outbreak of respiratory disease caused by a novel coronavirus. The newly found virus has been named “SARS-CoV-2” and the disease it causes has been named “Coronavirus Disease 2019” (COVID-19). On January 31, 2020, Health and Human Services (HHS) has issued a declaration of a public health emergency related to COVID-19 and mobilized the Operating Divisions of Health and Human Services (HHS).
- In addition, on March 13, 2020, the President declared a national emergency in response to COVID-19.
- Fever is a common symptom of COVID-19, typically appearing 2-14 days after exposure.
- Thermometer guns are able to determine surface skin temperature, which is then used to estimate the temperature at a reference body site (e.g., oral, tympanic membrane). The advantage of using Thermometer guns for initial temperature assessment for triage use is the potential use in high throughput areas (such as airports, businesses, warehouses, factories, roads, ports and so on) and in settings where other temperature assessment products may be in short supply. The available scientific literature supports the use of Thermometer guns in the context of initial human temperature measurement during such a triage process.
- Additionally, international standards and scientific literature have described guidelines for using Thermometer guns for initial temperature assessment for triage use and best practices for standardized performance testing of such products.
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