In September 2022 Atonometrics introduced an updated version of the Mars Soiling Sensor with an all-new improved enclosure design. This new model, part number 810230-20, replaces the original models, part numbers 810230, 810230-01, and 810230-10, which are now obsolete. 

The datasheet and user guide for these original model numbers are provided below for users seeking information about the older product versions.