The
Capacitive Analog Probe (CAP) family of products has a
sensing probe of up to 6'. This probe is inserted into the
liquid and gives accurate continuous measurement of the liquid
level.
[example]
Ultrasonic sensors
are great for non-contact continuous
level or point level control. We have discrete output and
0-10 VDC Analog sensors with a range up to 2500mm (98")
[example]