
What good is a digital sensor that doesn't measure accurately? Or will it not calibrate true zero? I may have gotten a bad device based on other reviews, but without precision it's useless to me.

π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review

π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 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

Digital multimeter RGK DM-12
6 Review