The Rise of Handheld Visibility Detectors: Meeting Dynamic Monitoring Demands

In areas with clean air, the visibility can reach as high as 70-100 kilometers, but air pollution and humidity often reduce it. In areas with haze, fog, smoke, or in the places where sandstorms or forest fires occur, low visibility is extremely dangerous for transportation. Many serious accidents on expressways both at home and abroad have occurred under such weather conditions. In addition, visibility can reflect the quality of the atmospheric environment. The suspended pollutants in cities weaken the solar radiation, reduce the atmospheric transmittance, and thus lead to a decrease in visibility.

In the traditional monitoring mode, fixed monitoring points such as meteorological stations can provide certain data. However, in the face of the atmospheric environment with a wide range and rapid changes, their limitations are becoming more and more obvious. And the demand for mobile monitoring has also been put on the agenda. For example, in the field of transportation, patrol vehicles need to know the visibility of different road sections at any time. When conducting environmental protection monitoring, the staff need to obtain visibility information in a timely manner to assist in judging when investigating pollution situations in different areas. The traditional fixed monitoring is difficult to meet such flexible and timely monitoring needs.

The Handheld visibility detector fits the mobile monitoring needs very well. Take the FT-SN10 as an example. It has an exquisite design and adopts a unique testing method. It sucks the air into a closed sampling chamber, which not only ensures real-time exchange with the outside world but also protects it from external environmental interference, and it can work normally even in a narrow space. The handle is made of aluminum alloy, which is convenient for single-handed holding. It is equipped with three built-in 18650 rechargeable lithium batteries and can work continuously for more than 72 hours, showing strong battery life.

Its overall structure is highly integrated. It can be used once powered on without complex calibration and debugging. It also has a built-in Bluetooth module. With the professional app software and the Internet of Things platform, data transmission and analysis are convenient. It can be used for handheld mobile detection or fixed on a tripod. It is equipped with a professional instrument case, which is convenient for carrying and safe storage.

At present, the Handheld visibility detector has been applied in the transportation field, providing real data for the relevant work.