I have had no issues with this reader. I bought it to get an idea of how loud my car radio was. The only downside is that it can't read above 130dB as I was able to max it out at about half volume. I assumed so when I bought it, but it's still fun to use and have.
π Dioxide Controller for Digital Gas Monitoring
5 Review
Digital multimeter RGK DM-12
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 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review