Atmospheric visibility is an indicator that reflects atmospheric transparency. It is often greatly affected by fog and haze, and is closely related to aviation, navigation, land transportation, high-altitude photography, astronomical observation, etc.MiraVisibility sensor3544It has the characteristics of small and low power consumption, and is used to integrate into the Andra Meteorological Station meteorological station platform for long-term continuous observation of visibility.
MiraVisibility sensor is strong, waterproof, corrosion-proof and extremely low maintenance. It consists of an aluminum shell and two vertical sensor arms, equipped with Andra standard meteorological sensor interface, which can be accessed freely to AndraAt the weather station.On a sensor arm, the infrared light emitting diode is mounted on25The other sensor arm is equipped with an infrared light detector.The light source and detector are protected by the sensor cover to prevent clogging.
The sensor has two operating modes, normal mode and fast mode.When the sensor is in normal mode (solar or battery-powered), the sensor emits an infrared beam every minute. If there is fog or haze in the atmosphere, the forward scattered light from the particles will be detected by the photocell, and the detection signal is as good as the atmospheric visibility.Good correlation, the processor amplifies and averages the detected signals and then converts them into visibility information (10The bit digital signal) is stored in the sensor for reading.
If the sensor is powered by an external power supply, the Quick Mode can be selected, which increases the number of samples per measurement cycle, thereby improving measurement accuracy.Fast mode beam emission frequency is per6Once in seconds.
In order to prevent interference from scattering of peripheral objects, the probe needs to ensure horizontal direction when installing15 Smartand vertical direction1 NoThere are no obstacles within the range.If you need to connect the sensor directly to the programmable logic controller, we can provide a signal converter (item number)3429) Convert the signal to0~5Vand4~20MASignal.
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This probe can be provided by Certified probe, please contact the manufacturer if you have any requirements. | |||||
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