Originally published at: Model X Review - An Affordable Outdoor Air Quality Monitor
A few years ago, when I first began reviewing carbon dioxide monitors, I heard about some monitors being hand-made using high-quality sensors and 3D-printed parts in Canada. While I didn’t expect much at first, I got a chance to test the monitor myself, and I was impressed by how well it performed. While it was made using 3D-printed parts and didn’t come from a big company, it had best-in-class performance regarding the sensor and did exceptionally well regarding internal data storage and connectivity – especially when using multiple devices. The monitor in question is the VisiblAir Model C. Fast forward…