Revealing the Principle and Application Technology of Illuminometer
Many people may not have truly understood the illuminometer, and may not even know its principle or application technology. Let's take a look together:
Illuminometer is an automatic printing fiber optic instrument that measures the intensity of artificial and natural light. It solves the problem of continuous measurement of light intensity and automatic recording. It is composed of a photodetector, an automatic shift amplification circuit, a curve recording device, a digital printing device, and an instantaneous digital display device. The curve recording device adopts a fiber optic frictionless recording method, and the photodetector is composed of a filter and a blue silicon photocell, so that the visible spectrum response curve conforms to the human visual spectrum curve specified by the International Commission on Illumination (CIE).
Pocket electronic illuminometer belongs to the field of illuminance measurement technology, suitable for measuring illuminance in agricultural production, daily life, and outdoor travel. It uses a photosensitive resistor as a photoelectric converter device, which contains a DC power supply and is sequentially connected in series with a voltage conversion circuit, switch, photosensitive resistor, testing circuit, A/D converter, decoder, display driver, and display at the output end of the DC power supply. This utility model avoids the use of a photometric head, and the DC power supply only uses a 3V battery. The decoder, display driver, and display are integrated on a single integrated circuit card, making it simple in structure, small in size, easy to move, and also has the advantages of sensitive response. A ultraviolet radiation illuminometer belongs to optical testing instruments. Its characteristic is that it consists of two unidirectional cutoff optical filters and two identical photoelectric receivers to form a dual optical path detector. The circuit part adopts dual amplification, which can accurately measure the radiation value of the required test band. The stray light cutoff is strong
The testing principle of an illuminometer: Illuminance is the surface density of the luminous flux received on the illuminated plane. Illuminometer is an instrument used to measure the illuminance on the illuminated surface, and is one of the most commonly used instruments in illuminance measurement.
The structural principle of an illuminometer: The illuminometer consists of a photometer head (also known as a light receiving probe, including a receiver, V（ λ) It consists of two parts: a filter, a cosine corrector, and a reading display.
