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What to Know for Choosing an IR Sensor for Metals

What to Know for Choosing an IR Sensor for Metals

Metal manufacturing processes often occur in demanding environments characterized by extreme temperatures, radiation, and gas emissions. Achieving high-quality output from raw materials requires precise control at key stages, such as monitoring metal boiling points and assessing purity levels.  

But while carrying out such procedures it is essential to use tools like pyrometers. This tool will help you conduct the necessary tasks from a safe distance and obtain the precise results required for the production process.  

This blog will serve as a guide to assist you in choosing the most suitable infrared temperature sensor for your intended application.    

How Does an Infrared Sensor Work?

An infrared temperature sensor gauges the temperature of metal objects in the production stage. It is particularly useful in the rigorous conditions of metalworking processes such as casting, forging, and welding.    

These devices function by detecting the thermal radiation or even heat emitted from the metal surface and subsequently converting it into a temperature reading. This mechanism allows for precise temperature monitoring, which is crucial for maintaining product quality and safety standards in industries reliant on metal materials.    

Equipped with a wavelength as per every metal surface in the dedicated workflow, infrared sensors are adept at accurately measuring temperatures ranging from -20 to 2,450°C. It’s worth noting that certain spot finders may have a more limited range, typically spanning from -20 to 900°C.   

Essential Considerations for Selecting a Pyrometer for Metal Applications

Your choice of an appropriate IR temperature sensor relies on several key parameters. These include:   

1. The Material in Focus

Understanding the specifics of the material for which you will use this sensor is crucial for obtaining accurate temperature readings. This choice directly influences the sensor selection and the emissivity setting applied. It’s important to note that measuring metallic parts can be challenging, but with thoughtful sensor selection, these challenges can be overcome.    

For metal applications, we provide a range of sensors sensitive to short wavelength infrared radiation. Opting for the shortest wavelength suitable for the measured temperature helps mitigate low, unknown, or changing emissivity issues.   

2. Highest Temperature Resolution

A high resolution of up to 40mK is essential for detecting even the smallest temperature differences, especially in quality control tasks. This ensures precise readings, even in environments with visual contaminants like dust and humidity.   

3. Razor Sharp Images

A sensor that produces clear and detailed images is important for quickly identifying potential fire hazards or other issues in the workflow. Clear visuals make it easier to take prompt action and maintain safety standards.   

4. Automatic hotspot detectors

Using sensors with automated hotspot detection simplifies the process of identifying temperature anomalies without the need for manual intervention. This streamlines the thermal analysis process and improves accuracy in identifying critical areas. It’s best if the detectors have a response time of 1 ms—10 s.    

5. Motor Focus for Simplified Handling

Using sensors with automated hotspot detection simplifies the process of identifying temperature anomalies without the need for manual intervention. This streamlines the thermal analysis process and improves accuracy in identifying critical areas.  

6. Plug and Play Functionality

An infrared temperature sensor should offer Plug and Play Functionality, making it easy to set up and use with minimal installation time. This feature streamlines integration into systems simplifies user interaction, and reduces the requirement for advanced technical knowledge, ultimately improving efficiency and usability.   

Conclusion

This blog highlights the important factors for choosing a suitable IR sensor successfully. Do note that while this guide is helpful, our technical support team is always ready to assist you further.    

At Manglam Electricals, we offer a variety of pyrometers and thermal imaging cameras designed for the metals industry. If you have any questions or need help selecting the perfect pyrometer for your application, don’t hesitate to reach out. Contact us today!

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