Change in temperature is something all industries have to bear and accommodate. One of the most critical parameters to rule many sectors’ operations and processing, the temperature needs to be controlled to ensure that the final products and processing are not affected. In such cases, prevention is better than cure, and this is why temperature sensors are vital for the smooth functioning of not only plant units & offices but also homes.
While there are varied temperature sensors, our focus shall be on industrial temperature sensors and home temperature sensors.
Why Do We Need Temperature Sensors?
Temperature sensors are deployed for various applications across several sectors and industries. These sensors are beneficial when determining the ambient temperature of an environment and entering relevant data to ensure that products remain in pristine condition.
Industries like food processing, pharmaceuticals, the meat industry, petrochemical handling, etc., heavily rely on temperature-controlled environments for very long durations. Some sectors even require months of temperature regulation, thanks to their international logistics and travel involved in the process.
So we only measure temperature using these sensors?
It is understandable why many would think that way, but there is more to it than meets the eye when it comes to these sensors.
Apart from checking the temperature of the object or the environment, many industrial temperature sensors also check the range to ensure that the product doesn’t malfunction eventually. This insight helps the handler determine if the system is working properly and avoid future mishaps.
Types of Temperature Sensors
Typically, two types of temperature sensors are most commonly used in the market.
- Contact Temperature Sensor
As the name suggests, this type of sensor needs to be in contact with the object it will be measuring the temperature of. The most common contact temperature sensors are thermostats, RTDs, etc. These sensors usually have a higher repository of data when looking for inputs and data.
- Contactless Temperature Sensor
Such sensors skyrocketed during the pandemic, where there was a need to check the patient’s temperature while ensuring absolutely zero contact. These sensors determine the temperature from a distance by assessing the thermal radiation emitted by the object in focus.
Apart from the pandemic, these sensors are also used in hazardous environments or with objects at extremely high temperatures, where it is important to maintain a safe distance.
Infrared sensors and thermal imaging are often used as non-contact temperature sensors.
What are the Applications of Temperature Sensors?
Temperature sensors are vital to several operations across many industries. Here’s a look at some of them.
- Industrial sensors work great for sensitive industrial locations such as boiler units, power stations, etc. They ensure the handler's safety since they are usually mounted on the surface of the objects in consideration.
- Home sensors are essential to regulate the temperature of your household, especially in the case of aged members, young ones, and those with the potential to fall sick in unregulated environments. Even in the case of furry family members, you need to keep an eye on the rising or falling mercury since many pets are susceptible to the temperature variations that can affect their health.
- In the case of industrial applications, several materials processing plants like casting require a high-temperature environment. Robust industrial temperature sensors work wonders in withstanding and measuring such high mercury levels - a feat not achievable by regular temperature sensors.
- In several high-risk operations like mining, hazardous environments prevent workers and users from stepping into unhealthy regions. In such cases, temperature sensor probes can help enter spaces with limited accessibility and monitor the temperature.
- Automobile and aerospace industries also have complex processes and methodologies that require ambient temperatures and probes that can access crevices and hard-to-reach machine parts.
- Medical industry is always in need of temperature sensors for several critical operations and medicine preservation. From a humble thermometer to temperature sensors for MRI imaging and scans, the implementation of these instruments is limitless.
- Temperature plays an important role in generating sustainable energy in the renewable energy sector. Solar heating, rotation of wind turbines, geothermal energy production, etc., all rely on specific temperatures, and sensors can help achieve that via measurement.
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