JUMO NESOS R03 Level switch with reference vessel

Measurement applications

• Limit level measurement of liquids in storage tanks, containers, oil sumps, and tanks
• Water and wastewater treatment
• Mechanical and plant engineering
• Shipbuilding
• Energy technology
• Swimming pool technology
• Possible to made for customer specific purposes

Short description
The limit level measurement is carried out according to Archimedes’ principle for liquids. The float moves along the guide tube as the level rises or falls. The magnet in the float actuates the reed contact(s) installed in the guide tube with its magnetic field. The switching status of the reed contact can be evaluated and processed through downstream electronic components, relays, or contactors. Alarms, pumps, signal lamps, valves, and horns are typically switched via a contact protection relay.
For applications where there is a shortage of space during installation in the tank from above, the float switch is suitable for side mounting due to the type of design. This means that the design type can also be used for reliable limit level measurement in applications with unstable media.
Depending on the variant ordered, various electrical connections, process connections, guide tube lengths, floats, number and positions of contacts as well as their function (SPST-NO (Normally open), SPST-NC (Normally closed), SPDT-CO (Changeover contact).

Optional temperature sensor
With the optional temperature sensor or temperature switch, both the point level measurement and the temperature can be acquired via just one measuring point. Variants for monitoring the reed contact temperature are also available.

Customer benefits

• Cost-effective installation and mounting, e.g. due to spring-cage terminals (Push In®)
• Reduced operating costs due to maintenance-free device design