M12 Flush Capacitive Proximity Sensor
M12 Flush Capacitive Proximity Sensor
An M12 flush capacitive proximity sensor is a type of sensor used to detect the presence or absence of an object or material without physical contact. Here's a detailed breakdown of its features and functions:
Key Features:
- Sensing Technology: Capacitive sensing, which detects changes in capacitance caused by the presence of an object.
- Size and Design: M12 refers to the metric thread size (12 mm in diameter), indicating a compact cylindrical design. "Flush" means the sensing face is even with the surrounding housing, providing protection and ease of installation.
- Detection Range: Typically, capacitive sensors have a shorter detection range compared to inductive sensors, but they can detect both metallic and non-metallic objects.
- Materials Detection: Can detect various materials including plastics, glass, wood, and liquids.
- Mounting: Flush mounting allows the sensor to be installed in a way that its face is level with or below the mounting surface, protecting it from damage.
- Output Type: Can have different output types such as PNP or NPN, normally open (NO) or normally closed (NC), depending on the specific application needs.
Applications:
- Level Sensing: Detecting the level of liquids or granulated materials in containers.
- Presence Detection: Identifying the presence of objects on conveyor belts or in manufacturing processes.
- Material Sorting: Differentiating between different types of materials based on their dielectric properties.
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