PCE-444 Thermo Hygrometer
Handheld mini climate meter measures air temperature, relative humidity, dew point temperature and wet bulb temperature

Air quality meter with a measuring range of -10 … 50 °C / Units can be selected / MIN, MAX /
Long battery life / LC display / Small and compact design

Air quality meter PCE-RCM 05 PM2.5 monitor for dust measurement in the workplace / Dust monitor for PM2.5, temperature and humidity / Battery operation / Warning functions.