This tracks, I bought an Aranet 4 and just testing at home. With myself and one other person WFH it's easy to find r the room to go from 600 to 1800ppm if the

This tracks, I bought an Aranet 4 and just testing at home. With myself and one other person WFH it's easy to find r the room to go from 600 to 1800ppm if the door or window isn't open.