Soiling Prevention System for Pyrheliometers CHP1 and SHP1

Soiling prevention for pyrheliometers

  • Increases time between maintenance
  • The central unit including for high air velocity fan
  • Two air filters with filter surface of >1 m2
  • 4m flexible connection hose


Pyrheliometer soiling prevention system

The AirShield® soiling prevention system increases the long-term accuracy of sensor readings and reduces cleaning frequency requirements by providing a constant air barrier to prevent dust and dirt from settling.

A high-performance air blower drives double-filtered compressed air to an injector head that creates an air barrier in front of the sensor. The hose used is flexible and highly UV resistant. This system can be operated with either AC power or solar power.