Description
In nature, anything with its own temperature above absolute zero continuously emits infrared radiation into the surrounding space. The magnitude of infrared radiation energy and its distribution according to wavelength are closely related to its surface temperature. Therefore, by measuring the infrared energy contained in the object itself, it can accurately measure its surface temperature, which is the objective basis on which the infrared radiation temperature measurement depends.
Principle of infrared thermometer
Infrared thermometer consists of optical system, photoelectric detector, signal amplifier, signal processing, display and output. The infrared radiation energy of the target in the field of view of the optical system is collected, and the field of view is determined according to the optical parts of the thermometer and their positions. The infrared energy is focused on the photodetector and converted into the corresponding electrical signal. This signal will pass through the amplifier and signal processing circuit, and according to the instrument's internal therapy algorithm and the target emissivity correction is converted into the temperature value of the measured target. In addition, the target and the environmental conditions of the thermometer should be considered, such as temperature, pollution, pollution, interference and other factors on the impact of performance indicators and correction methods.
Infrared forehead ear heat thermometer is a kind of thermometer which uses infrared receiving principle to measure human body. When using, the temperature of human body.
Infrared thermometer is to measure body temperature through infrared ray, which is divided into contact type and non-contact type. It is characterized by forehead temperature measurement, safe and accurate. Five temperature measuring bracket, convenient for the whole family. Forehead temperature automatic correction, read axillary temperature. 32 groups of memory values, historical records at a glance. Easy to operate with one button, adjust whether to turn on the sound at will, easy to change between degrees Celsius and Fahrenheit/room temperature and body temperature, large screen display, easy to read by the elderly, convenient to use at night. The fastest 1 second temperature measurement, high precision temperature measurement. Suitable for the elderly, children, hospitals and families.
Any object whose temperature is above zero will emit infrared radiation energy in proportion to its own temperature. The magnitude of radiation energy and its distribution by wavelength are closely related to its surface temperature.
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