The Milwaukee MA916B/3 is the a lab grade single junction glass replacement pH Probe for any Milwaukee BNC connector meter.  The MA916B/3 has a glass body, high impedance and is designed for fast accurate response.  It comes with a 3 meter (9.8') cable, BNC connector and can withstand to 0 to 60°C (32 to 140°F) (meter(s) sold separately).

The probe connects quickly and tightly with a BNC connector. No worries of slipping off.