Easy to use reflective tape helps keep track of RPM. Because I measured the speed. Shaft oiled, I cleaned the surface and used a chalk marker. Reading was satisfactory
π§ UEi Test Instruments DAFM3B Digital Multimeter
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
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review