Your search for "pH electrode" revealed the following:

Endress+Hauser Memosens CCS58E ozone sensor
Endress+Hauser CCS58E Memosens digital ozone sensor
Fluke 1664 FC Multifunction Installation Tester
Fluke 1664 FC electrical installation testing
Fluke 1664 FC Multifunction Insta
$2,605.00
No reviews
Endress+Hauser Prosonic FDU91 ultrasonic sensor for non-contact level and flow measurement
Fluke 725 Multifunction Process Calibrator for industrial process instrumentation
Fluke 725 process calibrator for mA, temperature and transmitter testing
Fluke 51 II Handheld Digital Thermometer with thermocouple probe
ABB PAF100 hygienic absolute pressure transmitter with stainless steel housing
ABB PAF100 hygienic pressure transmitter with optional backlit display
Fluke 717 Pressure Calibrator for pressure and 4–20 mA process calibration
Fluke 717 Pressure Calibrator
$1,691.00
No reviews
ABB 266DSH DP-Style differential pressure transmitter
ABB 266DSH differential pressure transmitter with local display
Fluke 1507 Insulation Resistance Tester
Fluke 709 precision mA loop calibrator for 4–20 mA measurement, sourcing, simulation and loop-powered testing
Fluke 709 mA loop calibrator for 4–20 mA source, simulation and loop testing
Fluke 724 Temperature Calibrator for RTD and thermocouple calibration
Fluke 724 Temperature Calibrator
$2,500.00
No reviews
ABB Sensyflow FMT200-ECO2 thermal mass flowmeter
ABB FMT200-ECO2 thermal mass flowmeter front view
ABB FGM1190 glass tube variable area flowmeter
ABB FGM1190 glass tube flowmeter front view
Endress+Hauser Prosonic FDU92 ultrasonic sensor for long-range non-contact level measurement
Endress+Hauser Prosonic FDU93 long-range ultrasonic sensor for non-contact level measurement