Elcometer Elcometer 7000PS Digital Humidity Meter

70~999 relative (non-invasive); dry (green): 70~169; risk (yellow); 170~199; wet (red); 200~999 7.9~ 99% WME (pin measurement); dry (green): 7~ 16.9 Risk (yellow): 17~ 19.9; wet (red): 20~99.9