Your search for "ph electrode" revealed the following:

Yokogawa ADMAG AXW Magnetic Flow Meter for industrial electromagnetic flow measurement
Yokogawa ADMAG AXW Electromagnetic Flow Meter for water and wastewater applications
Endress+Hauser Cerabar PMP63B high-accuracy pressure transmitter for pressure and hydrostatic level measurement
Endress+Hauser Proline Prowirl R 200 low-flow vortex flowmeter for steam and gas measurement
Rosemount 68Q Sanitary Temperature Sensor
Rosemount 68Q Tri Clamp sanitary temperature sens
Endress+Hauser Micropilot NMR81 radar level gauge
Endress+Hauser Micropilot NMR84 radar level gauge
Micropilot NMR84 radar level gauge for stilling wells
Yokogawa ADMAG AXG Magnetic Flow Meter for industrial electromagnetic flow measurement
Yokogawa ADMAG AXG Magnetic Flow Meter transmitter for process flow monitoring
Fluke 9100S Handheld Dry-Well temperature calibrator for portable temperature calibration