MDFS2-S PV Soiling Monitoring System (Modbus RTU, Dual Reference Cell)

A Modbus-based soiling monitoring system for measuring dust-related performance losses in solar PV systems.

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Product Description

The MDFS2-S PV Soiling Monitoring System helps solar plant operators accurately determine when cleaning is required by measuring the impact of dust and dirt on panel performance.

It uses two temperature-compensated reference cells (clean and dirty) to compare solar radiation and calculate soiling losses (attenuation %). This enables data-driven decisions to optimise maintenance schedules and maximise energy yield.

With Modbus RTU output, the MDFS2-S integrates easily into SCADA systems and data loggers such as the METEODATA-4000, allowing automatic monitoring, analysis, and verification of cleaning effectiveness.

Key Features:

  • Dual reference cells (clean vs dirty) for direct soiling comparison
  • Calculates soiling loss (attenuation %) for performance analysis
  • Modbus RTU output for easy SCADA and system integration
  • Temperature-compensated measurements for stable accuracy
  • Measurement range up to 1400 W/m²
  • Supports automatic monitoring with data loggers (e.g. METEODATA-4000)
  • Enables optimisation of PV cleaning schedules and maintenance planning
  • Provides confirmation of cleaning effectiveness and operational status

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