Detects CO2,6-in-1 Indoor Air Quality Monitor, PM2.5, PM10, AQI, Temperature and Humidity with Alarm, for Rooms, Cellars, Grow Tents, Offices, etc.

SKU: GW40.0006

Q
How often are you supposed to calibrate this? Readings seem irratic
Answer Question
A
I calibrate every time I shut it off.. seems to keep the readings more consistent.."