flow through housings is used for insertion of electrodes/sensors if the measuring medium comes in a pipe

Flow through housing with
tangential flow (2/3 electrode ports,
PVC, DN15, max. 6 bar, max 60 °C)
max. 6 bar, max 60 °C), Art. No. AD 222    

Angle seat flow through housing   
(1 electrode port, PVC, DN20/25, max. 50 °C),
Art. No.AD82, AD92    

Slanted seat flow-through
(1 electrode port, stainless steel, DN20,
max. 6 bar, max. 150 °C), Art. No. AD94