
I am buying these items for our manufacturing facility so I am not an end user but if I don't hear anything I have to assume it is working as it should. Everything is good with this product.

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 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 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review