
I bought two of these so one could keep the same dimensions and the other could be used for adjustment. They work fine but both have started to rust, I live in a very dry environment in Colorado and I don't know what causes rust but I don't think they are of the highest quality. Metal.

๐ก๏ธ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

Portable Handheld Manometer ๐ for Accurate Pressure Differential Measurement
5 Review

๐ฅ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review

๐ฌ๏ธ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review