
Loved the 3 different level ranges to test my meter's accuracy; Normally one level would be enough, but I had different ranges when testing my glucose readings that turned out to be related to a new drug I was starting, and the different readings confirmed the accuracy of my own readings.

🌡️ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

Digital multimeter RGK DM-12
6 Review

🌬️ 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 📏 for Accurate Pressure Differential Measurement
5 Review