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 ParametersSpecifications
Measuring principleOptical scattering
Measuring range100% – 50%
Accuracy100%-90%: ±1%; 90%-80%: ±2%; 80%-50%: ±4%
Stability1%/year
Response time< 1s
ConnectionsRS485 Modbus, 4G Optional
Power consumptionDC 8-24V @ <2W
IP RatingIP67
Operation Environment-40℃ ~ +70℃, 0-100%RH
MaterialAluminum
Dimension(mm)252x137x35
Weight(Kg)1.3