Accurate temperature readings are critical to the smooth functioning of all processes in the process industry, where the temperature is the most often monitored parameter. In the manufacturing industry, temperature instruments are calibrated using temperature calibrators.
From a small portable device for use in a lab to a heavy-duty dry block temperature calibrator on-site, temperature calibrators come in all shapes and sizes. For the sake of this article, we're going to take a closer look at temperature calibrators.
Instruments used to measure temperature in industrial settings
A thermometer is a temperature measurement tool we are all intimately acquainted with. Using a mercury-filled temperature sensor bulb is the most popular method for measuring temperature change.
Because manual temperature readings are prone to inaccuracy, many people choose to use digital thermometers in their place. Achieving high levels of precision is critical when doing any measurement. What's the use of taking measures in the first place if the results won't be accurate?
Compared to a portable thermometer, temperature measurement instruments in businesses use the same idea but on a much greater scale. Domestic thermometers may measure temperatures ranging from 0 to 100 degrees Celsius.
Generally speaking, cooking thermometers may measure up to 100 degrees Celsius, whereas medical thermometers can measure from 35 to 42 degrees Celsius.
On the other hand, Industrial thermometers may be required to measure temperatures ranging from -100 deg Celsius to 350 deg Celsius or more. Thermometers, pyrometers, infrared thermometers, thermocouples, resistance thermometers, and other devices are utilized in industries.
What is the purpose of a temperature calibrator?
Any equipment that may be used to check the accuracy of a temperature measuring device is referred to as a temperature calibrator. If the temperature measurements are within the required error and accuracy criteria, they may be utilized.
Dry-block calibrators, thermometer calibrators, dry good calibrators, temperature baths, infrared calibrators, ovens, etc., are some of the most regularly used temperature calibrators in the industry. It doesn't matter what calibrator you use; the same idea.
Standard measurements for a few items, such as the current temperature or human body temperature, may be found in books or online. To ensure that a thermometer is malfunctioning, we take our temperature and note any drops in temperature of 2 to 3 degrees. The thermometer would then need to be calibrated to the known standard.
Temperature measuring equipment used in the industry follows the same rules. Calibrating thermometers are done using a thermometer that has been calibrated using a standard or calibrated thermometer.
The thermometer's measurements are then compared to those of the tested equipment. A computer simulation or a real-world heat source may be used to bring the temperature in line with the measurements.
- Physical heat calibration
Temperature baths and ovens are much smaller in comparison. Dry block calibrators, IR calibrators, temperature chambers, calibration baths, etc., are examples of temperature calibrators that generate physical heat.
These calibrators include a built-in temperature sensor. However, external sensors may also be used when more precision or reduced error rates are required.
- Calibration of Temperatures using Automation
Temperature calibration is critical, and we've previously seen why and how it's done. This means that temperature calibration is essential for every company to ensure accurate temperature sensors.
It takes a long time to calibrate temperature sensors because temperature changes are gradual. When it comes to temperature calibration, this is where automation may come in handy.
Once the procedure is automated, you won't have to be present at the calibration location to complete the process. It's another benefit of automatic calibration: it will be done consistently and accurately every time.
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