Ordinary Staretta - expensive, but very high quality. But when you need to be confident in the accuracy of your measurements, Starrett is hard to beat.
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review
Digital multimeter RGK DM-12
6 Review