DustIQ monitors the loss of light transmission caused by dust, sand, pollen, or any other particles on PV panels using Kipp & Zonen’s new and innovative Optical Soiling Measurement (OSM) technology.
The DustIQ gives an output that is proportional to the light loss caused by the panel soiling. This is expressed as Transmission Loss (TL) or Soiling Ratio (SR). The two optical soiling measurement sensors measure the scattering of the inside of the glass. Soiling on the DustIQ will increase the amount of scattering. The ratio of the amount of transmission loss and the measured optical scattering signal is called the “dust slope”, it is the instrument’s calibration factor.
The DustIQ is calibrated for Common Desert Dust. Common Desert Dust is an average of several dust types found throughout the world in locations with heavy soiling. Locations include: Morocco, Saudi Arabia, Spain, Egypt and India. The DustIQ has no moving parts and it does not need sunlight to operate. Communication is possible via Modbus® RTU using a RS485 2-wire connection and the power supply needed is 24 V
and minimum 500 mA.
The DustIQ Soiling Monitoring System is a professional-grade solution designed for accurate measurement of PV module soiling in solar power plants. Using unique Optical Soiling Measurement (OSM) technology, it continuously reports the Soiling Ratio (SR), Transmission Loss (TL), and module temperature every minute, day or night. Constructed from the same glass and materials as standard PV modules, ensures it collects dust and dirt at the same rate as the surrounding array. With a compact design of approximately 990 x 160 x 35 mm , it provides a highly reliable, 24/7 monitoring capability that helps maximise energy yield by optimising cleaning schedules.
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