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About Inductive Proximity Sensors
Inductive proximity sensors are noncontact proximity devices that set up a radio frequency field with an oscillator and a coil. The presence of an object alters this field and the sensor is able to detect this alteration. An inductive proximity sensor comprises an LC oscillating circuit, a signal evaluator, and a switching amplifier. The coil of this oscillating circuit generates a high-frequency electromagnetic alternating field. This field is emitted at the sensing face of the sensor. If a metallic object (switching trigger) nears the sensing face, eddy currents are generated. The resultant losses draw energy from the oscillating circuit and reduce the oscillations. The signal evaluator behind the LC oscillating circuit converts this information into a clear signal. The measurement of proximity, position and displacement of objects is essential in many different applications: valve position, level detection, process control, machine control, security, etc.
The body style of inductive proximity sensors can be barrel, limit switch, rectangular, slot, or ring. A barrel body style is cylindrical in shape, typically threaded. A limit switch body style is similar in appearance to a contact limit switch. The sensor is separated from the switching mechanism and provides a limit of travel detection signal. A rectangular or block body style is a one piece rectangular or block shaped sensor. A slot style body is designed to detect the presence of a vane or tab as it passes through a sensing slot, or "U" channel. A ring shaped body style is a "doughnut" shaped sensor, where the object passes through center of ring. Electrical connections for inductive proximity sensors can be fixed cable, connector(s), and terminals. A fixed cable is an integral part of sensor and often includes "bare" stripped leads. A sensor with connectors has an integral connector for attaching into an existing system. A sensor with terminals has the ability to screw or clamp down.
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Engineering Web: Inductive Proximity Sensors
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Inductive Proximity Sensors Inductive Proximity Sensors Photoelectric Sensors Accessories for Inductive Proximity Sensors |
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Festo United States - Inductive sensors Sensors Proximity sensor Inductive sensors Inductive proximity sensors Position sensors |
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Sensors Products from Allen-Bradley broadest line in the industry from inductive, capacitive and ultrasonic proximity sensors to photoelectric sensors and limit switches, our See Allen-Bradley Sensors Information |
Part Numbers for Inductive Proximity Sensors
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| F92A-C5 | Digi-Key | Omron Electronics Inc-IA Div | Sensors, Transducers | COUPLER INDUCTIVE M18 5MM DIST |
| F92A-C-2 | Digi-Key | Omron Electronics Inc-IA Div | Sensors, Transducers | COUPLER INDUCTIVE M18 5MM DIST |
| E2EX1R5E2N | Digi-Key | Omron Electronics Inc-IA Div | Sensors, Transducers | SENSOR PROXIMITY INDUCTIVE NC |
| E2E-X1R5E2-M1 | Digi-Key | Omron Electronics Inc-IA Div | Sensors, Transducers | SENSOR INDUCTIVE M8 SPST-NC |
| TCA505B CHIP | Digi-Key | Infineon Technologies | Sensors, Transducers | IC INDUCTIVE PROX SWITCH CHIP |
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