The Bedia capacitive level sensors are suitable for industrial applications, are practically maintenance free and have a wide operating temperature range.
They respond to the change of capacitance occurring when an electrode surrounded by air is immersed into the medium to be monitored. This capacitance change causes a circuit to oscillate which is processed electronically. The different versions can be used as min/max sensors with closed-circuit principle.
The level sensors are factory-preset as a minimum or maximum sensor with an open-circuit or closed-circuit principle.
The probes have a short-circuit-proof switching transistor output and are available as minus switching or plus switching.
The range of level sensors includes: the TLS100 tube sensor that works on the capacitive measuring principle and detects the presence of a liquid in a plastic tube; the NR80 level sensor is designed to monitor a preset medium level in electrically non-conductive containers with a wall thickness up to approx 5 mm; the NR150 level sensor is suitable for liquids with low relative dielectric constant εr 1, 8…6 (ref εr 2,1); the NR160 capacitive level sensor is designed to monitor liquids and powders with high relative dielectric constant εr 35…85; the NR260 capacitive level sensor is designed for use in fuel cells - the material is also suited to applications in the chemical industry for monitoring aggressive media.
Phone: 02 9482 1411
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