Soiling Product Guide
The following guide can help you determine which soiling measurement system is best for you.
System Description:
Washing Required?
Measures Non-Uniform Soiling?
RDE300i Soiled
RDE300i Clean
Module-Module: compares soiled module to manually-washed module
Washing Required?
Yes,
Module
Measures Non-Uniform Soiling?
Yes
RDE300i Soiled
Mars Soiled
RC22 Soiled
*Module-Cell + Optical: compares soiled module power to soiling-corrected cell
Washing Required?
No
Measures Non-Uniform Soiling?
Yes
RDE300i Soiled
RC22 Clean
*Module-Cell: compares soiled module to manually-washed cell
Washing Required?
Yes,
Cell
Measures Non-Uniform Soiling?
Yes
Mars Soiled
Optical: measures soiling with optical technique
Washing Required?
No
Measures Non-Uniform Soiling?
No
RC22 Soiled
RC22 Clean
*Cell-Cell: compares soiled cell to manually-washed cell
Washing Required?
Yes,
Cell
Measures Non-Uniform Soiling?
No
*For bifacial modules, add two RC22’s to your system for rear-side irradiance measurement.