How much do you know about the principles behind temperature measuring instruments?
This technology plays a vital role in product quality control and monitoring, online equipment fault diagnosis, safety protection, and energy conservation. Its advantages, including fast response time, non-contact operation, safe use, and long service life, have made it popular with consumers. Let's take a brief look at the advantages of temperature guns and their working principle.
Advantages of infrared thermometers
1. High accuracy: Another advanced feature of infrared thermometers is their accuracy, typically within 1 degree Celsius. This performance is advantageous when performing preventative maintenance.
Time is especially important.
2. Easy to use: The infrared thermometer can quickly provide temperature measurement, providing the same reading as a thermocouple at a leak connection point.
It can read the temperature of almost all connection points. Furthermore, the infrared thermometer is robust, lightweight (all weighing less than 10 ounces), and easy to store on a leather strap when not in use.
It comes in a case. So you can carry it with you when you're on factory tours and doing routine inspections.
3. High safety: Safety is the most important benefit of using an infrared thermometer. Unlike contact thermometers, infrared thermometers can safely read difficult-to-read temperatures.
With a target temperature that is close to or unattainable, you can read the target temperature within the range allowed by the instrument.
The principle of a temperature gun
An infrared thermometer consists of an optical system, a photoelectric detector, a signal amplifier, signal processing, and display output. The optical system focuses its visual...
The infrared radiation energy of the target within the field of view, and the size of the field of view, are determined by the optical components and position of the thermometer. When measuring the target using an infrared radiation thermometer...
To determine the temperature, first measure the infrared radiation of the target within its wavelength range, and then calculate the temperature of the target using a thermometer.
A single-color thermometer's radiation level is proportional to the amount of radiation within its wavelength band, while a dual-color thermometer's radiation level is proportional to the ratio of the radiation amounts in the two wavelength bands. Infrared energy is focused onto a photoelectric sensor.
The signal is converted into a corresponding electrical signal on the detector. This signal is then amplified and processed by the signal processing circuit, and after being corrected for emissivity and compensated for ambient temperature according to the instrument's built-in algorithm, it is converted into the temperature value of the target being measured.
Over the past two decades, infrared thermometers have seen rapid technological advancements, with continuously improving performance and expanding applications. They are used not only in industry but also in everyday medical settings, ranging from metallurgy to body temperature measurement, making their applications extremely broad.
