The Milwaukee MA923B/5 is the replacement ORP Probe for any Milwaukee BNC connector meter. The MA923B/5 has a rugged body (PEI) designed to take knocks. MA923B/5 comes with a 5 meter (16') cable, BNC connector, and can withstand up to 2 bar of pressure (meter(s) sold separately).
Using the BNC connection, the probe connects quickly and tightly with no worries of slipping off.