These work well for simple projects, however the pivot joints are not adjustable. I'm concerned that over time the pivots will loosen and stop working properly. You cannot set the holding voltage for these tools. In addition, the instruments were overgreased for transport.
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review