Introduction
Infrared thermometers have revolutionized the way we measure body temperature. By scanning the infrared radiation emitted from the body, these contactless thermometers provide temperature readings in seconds without any discomfort to the patient. This non-invasive technology has become incredibly useful in healthcare settings and at home during the ongoing COVID-19 pandemic.
History and Invention
The invention of the infrared thermometer dates back to the 1930s when engineers first discovered that infrared radiation could be utilized to sense heat and measure temperature. However, it was not until the 1960s that infrared thermometry started being used in medical applications with the development of more compact and affordable sensors. Over the next few decades, significant advancements in infrared detector technology enabled the miniaturization and mass production of infrared thermometers. By the late 1990s, these devices became commercially available for consumers.
How Infrared Thermometers Work
All objects above absolute zero emit infrared energy, the amount of which depends on the object's temperature. Infrared thermometers use this principle of thermal radiation to measure body temperature. They contain an optical sensor called a thermopile that detects the infrared energy radiated from the tympanic membrane or forehead. This sensor converts the infrared radiation into temperature readings which are displayed digitally on the thermometer screen within seconds. No contact or preparation is needed and readings can be taken through hair and clothing from a distance of about 1-2 inches.
Accuracy and Reliability
Various scientific studies have validated the accuracy of modern infrared thermometers compared to traditional oral/rectal thermometers. When used correctly by following manufacturer guidelines, most Infrared Thermometers can measure temperatures to within 0.2-0.3°C of core body temperatures. Their non-contact feature eliminates risks of cross-contamination, making them very reliable for mass screenings. The immediate temperature display also helps identify fevers more efficiently compared to waiting several minutes for results from oral/ear thermometers.
Applications in Healthcare
Infrared thermometers have found widespread usage in hospitals, clinics, long-term care facilities and pharmacies for screening patients, visitors and staff. They play a crucial role in pandemic triage and management by enabling quick temperature checks of large populations without direct contact. Other key medical applications include:
- Neonatology - Useful for monitoring newborns without disturbing their sleep.
- Pediatrics -Young children find them less frightening than oral thermometers.
- Home Healthcare - Nurses can monitor patients' temperatures remotely.
- Burn/wound care - Avoid further injury to burned or damaged skin during readings.
- Operating rooms - Continuously monitor patients' vital signs during surgeries.
- Quarantine/isolation areas - Minimize exposures for infectious disease patients.
Advantages for Consumers
In recent years, infrared thermometers have become highly popular consumer products for personal and family health monitoring at home. Their key advantages over traditional thermometers include:
- Speed and convenience - Readings in 1 second without insertion into bodily openings.
- Hygiene - No direct contact or risk of cross-contamination between uses.
- Comfort - Much less invasive and stressful experience for patients, especially children.
- Versatility - Can check temperatures of many family members quickly in case of illnesses.
- Accuracy - Medical-grade models provide readings on par with oral/rectal thermometers.
- Affordability - Cost significantly less than clinical-grade thermometers used in hospitals.
Choosing the Best Infrared Thermometer
With dozens of infrared thermometer models in the market, it is important to select devices that are clinically validated and approved by regulatory bodies like FDA or CE. Key factors to consider include target area (ear, forehead, object), measurement range, response time, battery life, accuracy/calibration certification, long-term reliability and after-sales support. Infrared thermometers priced between $30-50 from reputed brands usually provide optimum value and performance for both medical and household use.
Infrared thermometry has revolutionized fever detection and temperature monitoring over the past few decades. Their accuracy, speed, non-contact features and versatility have made infrared thermometers invaluable aids in healthcare settings as well as family homes. With ongoing technological advancements, these devices will play an even more critical preventive healthcare role globally in years to come.
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Sensor Hub MarketThe sudden challenges created by the ongoing COVID-19 are captured effectively to exhibit the long term growth projections in the MRFR report on Sensor Hub Market.
The growth sectors of the Sensor Hub Market are identified with precision for a better growth perspective.A sensor hub refers to a microcontroller unit that provides information and knowledge through the use of different sensors.
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A sensor hub is integrated as a system-on-chip (SoC) and has applications in a range of wearable health devices and applications.
Similarly, Gyro sensors, hall sensors, proximity sensors, magnetic sensors, and temperature sensors are widely used in various smartphones.
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Sensor Hub Market ShareA sensor hub refers to a microcontroller unit that provides information and knowledge through the use of different sensors.
Market Research Future (MRFR) has recently suggested that the global sensor hub market is likely to garner a market revenue valuation of a higher value, from USD 9.87 billion at the beginning of the forecast period.
Upscaling consumer demand, algorithm and contextual awareness, cost of components, connectivity, always-on sensing, and a higher need for power management are some of the primary drivers of the global sensor hub market over the review period.Furthermore, the demand for sensor hubs is anticipated to proliferate significantly owing to the elements used for low-power sensor processing tasks.
A sensor hub is integrated as a system-on-chip (SoC) and has applications in a range of wearable health devices and applications.
Similarly, Gyro sensors, hall sensors, proximity sensors, magnetic sensors, and temperature sensors are widely used in various smartphones.
The smartphone processor, when connected to the camera’s sensors also aids in reducing the power consumption rate.
