Capacitive proximity switches are contact-free sensors. They detect metallic and non-metallic objects, regardless of whether they move or not. The achievable sensing range of the devices depends on the object material, its dimensions and the response sensitivity, which is set via a potentiometer. The vibration-resistant sensors can be approached laterally or frontally. Capacitive proximity switches are used for presence detection (e.g. sealing detection), positioning (e.g. PET bottles), counting (e.g. plastic caps), level detection (e.g. lubricant) or distance measurements (e.g. thickness measurement) of solid and liquid materials.
BEDIA MOTORENTECHNIK GMBH & CO. KG
Germany
BEDIA level monitoring sensors are used to monitor the filling levels of liquids. The sensors detect when a filling level is exceeded or falls below a limit. Water-based liquids like coolants, AdBlue®, fresh water, waste water, bilge water and oil-based liquids like motor oils, hydraulic oils, fuels and brake fluids can be monitored. Since they contain no mechanical moving parts, their function will not be influenced by dirt particles or other influences. No electrical current is sent through the medium via an electrode with BEDIA sensors, an electrolysis of the medium is not possible. Operating Principle The function of the sensor is based on the capacitive principle. It detects the change in capacitance that occurs when an electrode surrounded by air is immersed into a liquid medium. This change in capacitance at the electrode of the sensor excites an oscillator. This signal is processed by a microcontroller-based evaluation circuit which activates or deactivates an output stage.
Request for a quoteEGE-ELEKTRONIK SPEZIAL-SENSOREN GMBH
Germany
EGE capacitive level sensors for adhesive media offer the reliable monitoring of the filling level of granulate, powders, solids, such as feathers, fluids and aggressive as well as adhesive media. The medium to be detected functions as dielectric. The medium in touch with the sensor generates a capacity change. This is converted into a switching signal or an analogue 4...20 mA output signal. Level sensors of series KGFR are ideal for media with low DK value. The PTFE sleeve makes the sensor resistant to aggressive media and together with the round design ensures the fast slippage of the medium.
Request for a quoteJACOB GMBH
Germany
The Suction Lances have the following Features: - G1 1/2" bis G2", screw cap, plug in flange, others on request - PVC- and Silicone-cable - ABS-enclosure - upto 3 NO, NC, 2 change over - overall length: upto 1.500 mm - Temperature range 0°C to +60°C - upto 0bar - upto IP64 - Options: non return valve
Request for a quoteRM2M
France
RM2M offers a range of level sensors for liquids and solids. Rotary level sensors for solids: For high temperature, food processing, corrosive, or ATEX environments. Capacitive level sensors for solids: With power supply of 115-230VAC, 24-48VAC, or 24VDC. Membrane level sensors for solids: Operate with the pressure of the material on the membrane. Doesn't require a power supply. Pendular level sensors for solids: Simple and reliable sensor for powders forming a cone in the silo. Does not require a power supply. Conductive level sensors for liquids: Level sensor capable of controlling up to two levels. Available with the following power supplies: 115-230VAC, 24-48VAC, 24VDC. Floating level sensors for liquids: These models do not require an electrical power supply. Versions for agressive environments and food processing.
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