Black Photon Instruments (AirShield System) Overview
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Black Photon Instruments (AirShield System) General Information
An instrumentation system that protects the window of a pyrheliometer from dust. The Airshield soil protection system increases the long term accuracy of sensor readings and reduces cleaning frequency requirements by providing constant air barrier to prevent dust and dirt from settling. A high performance air turbine drives triple--filtered compressed air to an injector head that creates an air barrier in front of the sensor and the system can be operated with electric power or solar power source. It can work with all major manufacturers of pyrheliometers.