Your search for "endress+hauser hygienic conductivity sensors" revealed the following:

Endress+Hauser Density Calculator QML51 vibronic-based inline density measurement system
Endress+Hauser OUSAF11 NIR VIS absorption sensor
Endress+Hauser OUSAF11 phase detection sensor
Endress+Hauser Liquiline CM14 panel transmitter
Endress+Hauser CM14 Memosens digital transmitter
Endress+Hauser Prosonic FDU92 ultrasonic sensor for long-range non-contact level measurement
Endress+Hauser CM72 Liquiline compact transmitter
Endress+Hauser CM72 Liquiline digital transmitter
Endress+Hauser CPA871 retractable assembly
Endress+Hauser CPA871 process sensor assembly