Accurate temperature measurement is vital in various industries and scenarios where traditional contact-based methods may not be practical or suitable. While traditional contact-based methods have long been used for temperature measurements, there are situations where they may not be suitable or practical. In such cases, non-contact temperature measurement emerges as an invaluable solution, offering safe and efficient temperature measuring without compromising the integrity of an object. In this blog post, we will explore the technology behind non-contact temperature measurement and its key applications.

What is Non-Contact Temperature Measurement?

Non-contact temperature measurement is a method that enables an object’s temperature to be measured without physical contact between the sensor and the object. This method relies on the detection and analysis of the infrared radiation emitted by the object. Infrared radiation is a form of electromagnetic radiation that cannot be seen with the human eye but can be detected and analyzed by specialized temperature sensors.

Infrared radiation and optical analysis are the key components of non-contact temperature measurement. All objects above absolute zero temperature emit infrared radiations, and the intensity and spectrum of these radiations are directly related to the object’s temperature. Non-contact temperature measurement devices, such as infrared thermometers, thermal imagers, and fiber optic sensors, utilize optical analysis techniques to capture and interpret the emitted infrared radiation and provide accurate temperature readings.

Applications of Non-Contact Temperature Measurement

Non-contact temperature measurement is used widely across a range of industries because of the many advantages it provides. Let’s look at some of the key applications where non-contact temperature measurements are indispensable:

Building automation

Building automation systems can significantly benefit from non-contact temperature measurement. They are used to monitor HVAC systems, detect overheating, and ensure optimal thermal comfort. It allows for efficient temperature control and energy management in commercial buildings, reducing energy costs and improving occupant comfort.

Energy management

In the field of energy management, non-contact temperature measurement helps identify energy inefficiencies and optimize energy consumption. By monitoring the temperature of equipment, such as boilers, furnaces, and heat exchangers, potential energy losses can be detected and resolved early, leading to energy-saving measures.

Fire detection

Non-contact temperature measurement is crucial in fire detection systems. By monitoring temperature changes and anomalies, early fire detection can be achieved, enabling quick action and minimizing potential damage.

Healthcare and medical settings

Non-contact temperature measurement devices, particularly infrared thermometers, have become essential tools in healthcare facilities. They offer a non-invasive and hygienic way to measure human body temperature for mass screening, infection control, and patient monitoring.

Industrial process control

Non-contact temperature measurement is used in various industrial processes, such as heat treatment, drying, and curing applications. It enables engineers to precisely monitor objects in motion, such as conveyor belts or rotating machinery, without disrupting their movement. This ensures optimal process conditions and product quality.

Manufacturing

In metalworking, glass manufacturing, and plastics processing industries, precise temperature control is crucial for maintaining product quality and optimizing process efficiency. Non-contact temperature measurement enables real-time monitoring and control of temperature during production, ensuring optimal conditions.

Non-Contact Temperature Measurements with Dexter

From manufacturing processes to healthcare settings and preventive maintenance, accurate and fast temperature measurements are essential for quality control, safety, and efficiency.

Dexter Research Center is a leading provider of infrared sensing and detect-and-manage solutions. Our devices offer better signal-to-noise ratios and superior sensitivity, and our core range includes over 30 thermopile thin-film and silicon-based products. Whatever your industry, if you’re in need of a non-contact temperature sensor, Dexter will have a solution for you.

Contact us today to learn more about the non-contact temperature measurements Dexter offers.