Your search for "pH electrode" revealed the following:

Fluke 1524 Handheld Thermometer Readout for precision temperature measurement
Fluke 1524 precision thermometer readout for PRT, RTD and thermocouple measurement
Fluke 719 Pressure Calibrator with built-in electric pump for pressure calibration
Fluke 719 Pressure Calibrator for pressure transmitter and pressure switch testing
Fluke 719 Pressure Calibrator
$4,000.00
No reviews
Fluke 718Ex intrinsically safe pressure calibrator for hazardous area applications
Fluke 718Ex pressure calibrator for pressure transmitter and 4–20 mA loop testing
Fluke 726 Precision Multifunction Calibrator for industrial process calibration
Fluke 726 process calibrator for transmitter, valve and process instrument testing
Fluke 707 Current Loop Calibrator for 4–20 mA measurement, sourcing and simulation
Fluke 707 4–20 mA loop calibrator for transmitter calibration and process loop testing
Fluke 707 Current Loop Calibrator
$1,180.00
No reviews
Endress+Hauser CUS52D digital turbidity sensor
Endress+Hauser Condumax CLS16B conductivity sensor
Endress+Hauser CLS16B conductivity sensor front view
Endress+Hauser CPA871 retractable assembly
Endress+Hauser CPA871 process sensor assembly
Endress+Hauser COS61D optical oxygen sensor
Endress+Hauser COS61D Memosens digital oxygen sensor
Endress+Hauser CAS51D digital nitrate SAC sensor
Fluke 715 Volt/mA loop calibrator for 4–20 mA and voltage signal calibration
Fluke 715 Volt/mA Loop Calibrator
$1,334.00
No reviews