Your search for "endress+hauser liquiline platform systems" revealed the following:

Endress+Hauser OUSAF11 NIR VIS absorption sensor
Endress+Hauser OUSAF11 phase detection sensor
Endress+Hauser Soliphant FTM50 level switch
Soliphant FTM50 point level switch for solids
Endress+Hauser CLS82E digital conductivity sensor
Endress+Hauser CLS82E 4 electrode conductivity sensor
Endress+Hauser CPS62E Digital ORP Sensor
Endress+Hauser CPS62E Digital ORP Sensor
Endress+Hauser COS51E amperometric oxygen sensor
Endress+Hauser COS51E Memosens digital oxygen sensor
Endress+Hauser Prosonic FDU91 ultrasonic sensor for non-contact level and flow measurement