B5W LD0101 Monitor / Photon - indoors, counting 0.5 micron, 2.5 micron
Count per minute (cpm) radiation level. The tube used detects Beta and Gamma radiation (no Alpha). Conversion factor cpm to μSv/h is 0.00812 (as per manufacturer specs).
Arduino project collecting temperature information from different parts of a ventilation unit of a house. The monitoring gadget is sometimes of line, especially summertime (possible thunderstorms)