Klay Instruments have a wide range of level transmitters:

The "AquaCer" is based on a small Capacitive Ceramic sensor / diaphragm and has a Fixed Range (Type FR) and an adjustable version (by HART Protocol), type AquaCer "I" (Accuracy 0.1%). The instrument has an active temperature compensation and a perfect long term stability.

The "Hydrobar" series are submersible level transmitters with a cable or SS tube extension, to measure the level in waterworks, deep wells, underground tanks, concrete bunkers,etc


The Series "2000-Hydrobar" is a complete range of microprocessor based submersible level transmitters for top mounting, with a local display and adjustment by three push buttons. Zero and
span can be calibrated very easy without test pressure.