> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/sentera-calibrated-reflectance-panel/sentera-calibrated-reflectance-panel/care-and-maintenance.md). # Care & Maintenance ## Care {% hint style="info" %} Do not touch the internal surfaces of the panel. The oil from your fingers or other debris can have adverse effects on the material. {% endhint %} ## Maintenance Cleaning can be done with a photo brush, oil free air, or nitrogen. {% hint style="danger" %} Do not use canned air as the propellant destroys the reflective material. {% endhint %} {% embed url="" %} {% embed url="" %}