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RS Hydro > Level Sensors

Level Sensors and Transmitters

RS Hydro have a wide range of pressure, ultrasonic, open channel, radar and capacitance level sensors and transmitters for sale and hire. For more information about the level sensors and transmitters we supply please select from one of the options below:

The Level TROLL family of pressure level sensors represents the leading edge of level sensing technology. Containing everything needed for monitoring level, pressure, and temperature, and with a built in data logger, Level Trolls offer the complete solution for remote level sensing.
 
Ultrasonic Level Sensors
Ultrasonic level sensors are ideal for measureing bulk solids and high viscocity liquids.
Open Channel Level Sensors
RS Hydro has a wide range of open channel measurement equipment available for hire and sale.
Radar Level Sensors
Radar level sensors can be used for applications where temperature varies and in moist, dusty or vaporous environments.
Capacitance Level Sensors
Versatile flow meters for use with a wide range of solids, liquids and slurries.
Level Troll 500 - Pressure Level Sensor

Pressure Level Sensors

Hydrostatic pressure level sensors are submersible sensors used for measuring the level of liquids (including corrosive liquids) in deep tanks or water in reservoirs.

Ultrasonic Level Sensors

Non-contact ultrasonic level sensors emit ultrasonic (20 kHz to 200 kHz) acoustic waves from a transducer which also detects and measures the reflected waves. This type of sensor is ideal for measuring bulk solids such as sand, cement, grain, rice and plastic pellets as well as liquids with high viscosity such as slurries, heavy oil, grease and latex.

Capacitance Level Sensors

Often called RF due to the radio frequency signals that are applied to the capacitance circuits, these type of sensors are excellent for measuring a wide range of liquids, slurries and solids. Capacitance level sensors can be used to measure media with dielectric constants between 1.1 and 90.

Capacitance level sensors are rugged, contain no moving parts, are easy to clean and simple to use.

Radar Level Sensors

Also known as microwave level sensors, radar level sensors are ideal for use in environments where temperature varies and in moist, dusty or vaporous environments. The microwaves are able to penetrate temperature and vapour layers that can be problematic for other types of level sensor. Objects with high dielectric constants such as metal and conductive water will reflect microwaves. Conversley, media with low dielectric constants (glass, plastics, food stuffs, paper) will absorb the microwaves by varying degrees.

Radar level sensors are ideal for use in a vacuum as the microwaves are electromagnetic energy and don't require air molecules to propogate.