Your search for "ph electrode" revealed the following:

Endress+Hauser Cleanfit CPA473 retractable assembly
Endress+Hauser CPA473 pH ORP sensor assembly
Endress+Hauser CPS12E digital ORP sensor
Endress+Hauser CPS12E Memosens ORP sensor
Endress+Hauser CLS82E digital conductivity sensor
Endress+Hauser CLS82E 4 electrode conductivity sensor
Fluke 719Pro Electric Pressure Calibrator with integrated electric pump
Fluke 719Pro pressure calibrator for pressure transmitter calibration and testing
Endress+Hauser CPS42E digital ORP sensor
Endress+Hauser CPS42E Memosens digital ORP sensor
Endress+Hauser COS51E amperometric oxygen sensor
Endress+Hauser COS51E Memosens digital oxygen sensor
Endress+Hauser CPS72E digital ORP sensor
Endress+Hauser CPS72E Memosens digital ORP sensor
ABB FAM3200 armored variable area flowmeter
ABB FAM3200 metal tube variable area flowmeter
Endress+Hauser CPA875 sterile retractable assembly
Endress+Hauser CPA875 hygienic process assembly
Endress+Hauser CPS62E Digital ORP Sensor
Endress+Hauser CPS62E Digital ORP Sensor
Endress+Hauser CLS16E digital conductivity sensor
Endress+Hauser CLS16E hygienic conductivity sensor
Endress+Hauser Liquiline CM14 panel transmitter
Endress+Hauser CM14 Memosens digital transmitter
Endress+Hauser Flowfit CPA25 flow assembly
Endress+Hauser CPA25 flow assembly for liquid analysis sensors
Fluke 1625-2 GEO Earth Ground Tester with Automatic Frequency Control
Fluke 709H precision mA HART loop calibrator for 4–20 mA testing and process transmitter calibration