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Capacitive Proximity Sensors
Allen‑Bradley

Our capacitive proximity sensors feature metal, non-metal, solid and liquid detection, and the ability to detect some targets through other materials.
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Allen Bradley

Our Bulletin 875 Capacitive Proximity Sensors have an adjustable sensing distance and are ideal for applications that can be challenging for other sensing technologies. Capacitive sensors can detect non-metal solids and liquids in addition to standard metal targets. They can even sense the presence of some targets through certain other materials, making them an ideal choice in those applications where other technologies cannot be used.

Available in cylindrical or miniature rectangular models, these sensors are resistant to humidity and dust and feature improved immunity to electromagnetic interference (EMI), especially that created by drives. Specific models are IO-Link enabled to help minimize downtime and increase productivity.

 

875L AC

875L DC

875F 

IO-Link

No

Yes

No

Sensing Range

Adjustable

  • M18 available in 3...8 mm flush or 3...12 mm non-flush
  • M30 available in 2...16 mm flush or 4...25 mm non-flush

Adjustable

  • M18 available in 0...8 mm flush or 0...12 mm non-flush
  • M30 available in 0...16 mm flush or 0...25 mm non-flush

Not Adjustable

  • Out of the box: wall thickness
    • Plastic 0.5...6 mm (non-conductive plastic wall)
    • Glass 0.5...4 mm (nonconductive glass wall) 

Housing Rating

IP67

IP69K

IP69K

Barrel Diameter (Dimension)

18 mm, 30 mm

18 mm, 30 mm

Housing length 34 mm

Operational Voltage

AC

DC

DC

Noise Immunity

High

High

High

Shape

Cylindrical

Cylindrical

Flat/Rectangular

Detects

Plastic, chemical, wood, ceramic & glass, and packaging

Most solid or liquid targets in industrial applications

Water-based (conductive) liquids through a non-metallic container wall, and it automatically adapts to various thicknesses of plastic or glass walls

Operating Temperature

-25…+80 °C (-13…+176 °F)

-30…+85 °C (-22…+185 °F)

-25…+80 °C (-13…+176 °F)

Smart Devices with IO-Link Technology
IO-Link logo
Products
Smart Devices with IO-Link Technology

IO-Link Technology is a worldwide open-standard protocol that integrates sensors and other field devices into our connected enterprise by connecting the IO-Link enabled devices into an IO-Link master module.

Sensors on IO-Link Can Enable the Connected Enterprise
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Sensors on IO-Link Can Enable the Connected Enterprise

Watch how smart sensors with IO-Link can enable smart machines for The Connected Enterprise®.

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Certifications
UK Conformity Assessed UK Conformity Assessed
  • CE Marked for all applicable directives
  • UKCA Marked for all applicable regulations

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 

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Presence Sensing Brochure SENSOR-BR001_-EN-P
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