Atonometrics Inc

Atonometrics, Inc. was formed in 2007 to develop test and measurement technology for the solar photovoltaics industry.

We design, manufacture, and sell soiling and irradiance measurement products for long-term outdoor use on PV installations worldwide.

Atonometrics Inc, based in the St. Louis, Missouri area, is a building-supplies focused company with deep roots in solar photovoltaics measurement technology. Founded in 2007, Atonometrics, Inc. set out to develop test and measurement tools for the solar photovoltaics industry. Today, the company designs, manufactures, and sells soiling and irradiance measurement products built for long-term, outdoor use on PV installations worldwide. For customers in St. Louis and the surrounding region looking to support the performance monitoring needs of solar projects, Atonometrics delivers practical measurement solutions intended to help evaluate key environmental factors—soiling effects and irradiance conditions—over extended field operation.