Review on 💧 Waterproof Anemometer Humidity Tester by Extech 45158- Improved SEO-friendly product name by Eugene Cox

Trying to balance our duct ventilation system is impossible without accurate speed. This device is intelligently designed for use in the real world. We use it as a relative indicator and do not use it in our calibration system. This works fine for us. The folding feature keeps it safe up and down stairs during normal use.