Instructions for use are rather weak. I learned how to use the Dauntless software I used to prepare for the exam. Functionally everything worked but was a bit inaccurate as the rivet holding it together was offset slightly to the right.
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π Dioxide Controller for Digital Gas Monitoring
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§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review