It can house 20mm or 32mm size sensors and also NET’s factory calibrated Cyber boards for signal transmission or 4-20mA output (Cyber heads). ¾”,1” or M20 thread and additional M46 front thread for accessories.
It is made in two parts so it can be opened to replace the sensor at the end of life.

DSEX3605 – NET3X
DSEX3657 – NET3X-IR 

DSEX4196 – NET3X – IR 4-20mA