The Dual RC22 Soiling Measurement Kit (810262-22) allows you to measure soiling by comparing a "Dirty" reference cell to a manually washed "Clean" reference cell. The kit contains two RC22 PV Reference Cells and labels to designate one as "Clean" and the other as "Dirty."
For a datasheet and quick start guide, click the link below to download document 880091-22.
For additional details on use of RC22 in soiling measurement systems, including system options and cable diagrams, see Soiling Measurement Products Ordering Guide for document 880100.