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Inductive proximity sensors are non-contact devices used to detect the presence of metallic objects within a specified range. They operate on the principle of electromagnetic induction, generating an oscillating electromagnetic field that is disrupted when a metal object enters its detection zone. These sensors are typically housed in robust materials such as plastic or metal, making them suitable for harsh industrial environments.
| Detection range | 1 mm to 30 mm |
| Operating voltage | 10 V to 30 V DC |
| Output type | NPN or PNP |
| Response time | 1 ms to 5 ms |
| Housing material | Plastic or metal |
| Temperature range | -25°C to +70°C |
When selecting an inductive proximity sensor, consider the detection range required for your application, as well as the operating voltage and output type that will be compatible with your existing systems. It is also important to specify the environmental conditions, such as temperature and potential exposure to contaminants. Certifications for industrial use may be required, so check for compliance with relevant industry standards.
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They can detect ferrous and non-ferrous metals.
Yes, but ensure they are rated for outdoor use and protected from environmental factors.
They generally have a long lifespan, often exceeding 1 million cycles.
Most models have fixed detection ranges, but some offer adjustable sensitivity.
NPN outputs are sinking types while PNP outputs are sourcing types, affecting how they integrate with control systems.
They can typically be mounted using screws or brackets, with wiring connected to the control system.