Small and ergonomic, both devices can fit snugly between two fingers so that they can be held while on a ladder or in a tight space during use. Toss them into your pocket or toolbox when you're finished. The PoE Detector includes a chart located on the back of the device that is quick and easy to read. The bright LED indicators allow you to easily detect IEEE 802.3 af, IEEE 802.3 at, 24 Volt Passive and Reverse Polarity Mode B for Cambium and Canopy. The PoE Tester Measures DC power supply voltages from 3.5 to 56 volts and current up to 280 watts at 56 volts.
Displays Mode A & Mode B from 20v to 56 volts.