The one I bought turned out to be fake and broke after a few months of use. I had a Dymh-103 sticker on the side, I peeled it off and it really is a clone that can be ordered from China for a third of the price.
FITNATE Tachometer Batteries Reflective Instruction
3 Review
π§ Streamline Your Work with Loos Co PT 1 Professional Hands-Free Device
3 Review
Non-Contact Handheld Digital Tachometer for Precise Measurements
3 Review
π Enhanced Precision and Functionality: Protmex Reflective Tachometer
3 Review
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