Too long I tested the first cable with this thing. It turned out to be defective, even known working cables were tested with 2 dead wires. The tester turned out to be working, but apparently 2 wires, 3 and 5, were unresponsive. Maybe I just got a bad one, but I'll use a different brand.
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
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review