WSE-A60 PV Dust Measuring Instrument

Dirt, dust and organic/inorganic pollutants on PV modules lead to significant economic losses. WSE-A60 is a novel optical sensor that estimates PV glass fouling rate based on its optical characteristics. With no moving parts and minimal maintenance, it approximates the actual fouling rate of PV arrays by measuring dirt’s impact—assuming consistent pollution between arrays and the sensor surface (per IEC61724-1:2021).

  • High-precision optical measurement

  • Flexible deployment and scientific sampling

  • Low maintenance costs, no need for frequent cleaning

  • Simple installation, no on-site calibration required

Application Scenarios

Technical Parameters

Technical Parameters Specifications
Measuring principle Optical scattering
Measuring range 100% – 50%
Accuracy 100%-90%: ±1%; 90%-80%: ±2%; 80%-50%: ±4%
Stability 1%/year
Response time < 1s
Connections RS485 Modbus, 4G Optional
Power consumption DC 8-24V @ <2W
IP Rating IP67
Operation Environment -40℃ ~ +70℃, 0-100%RH
Material Aluminum
Dimension(mm) 252x137x35
Weight(Kg) 1.3