The Milwaukee MA923D/1 Amplified pH/ORP/Temp replacement probe for Milwaukee Mi106 pH/ORP/temp meter. The MA923D/1 has a rugged body (Epoxy) designed to take knocks. MA923D/1 comes with a 1 meter (3') cable and DIN connector (meter(s) sold separately).
Using the DIN connection, the probe connects quickly and tightly with no worries of slipping off.