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Bulletin 873C Proximity-Style Ultrasonic Sensors

Proximity-Style Ultrasonic Sensors

Bulletin 873C Proximity-style Ultrasonic Sensors can detect solid and liquid targets from a distance of up to 1 m (3.3 ft). We offer two versions of this sensor: a background suppression unit with analog voltage output or a standard diffuse mode with a digital output.

  • Overview
  • Product Selection
  • Specifications
  • Documentation
  • Resources
  • Applications

Features

  • 3-wire operation
  • 3-conductor connection
  • 18...30V DC
  • Analog or digital (discrete) output
  • Metal, nonmetal solid and liquid sensing capability
  • Short circuit, false pulse, reverse polarity, overload and transient noise protection
  • Adjustable sensing distance (digital/discrete model)
  • Adjustable background suppression (analog model)

Specifications

TitleNumberDownload
Bulletin 873C Ultrasonic Proximity Style Sensors Installation Instructions873C-IN001

Certifications


  • CE Marked for all applicable directives

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

Looking for Additional Information?

To find additional product information (CAD drawing files, 3D models, etc.) enter the complete catalog number (including dashes) below.

Documentation

TitleNumberDownload
Bulletin 873C Ultrasonic Proximity Style Sensors Installation Instructions873C-IN001
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Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
  • eCADWorks — Select product 3D-CAD drawings in AutoCAD®.
  • ProposalWorks — Build complete quotes and proposals.

Other Resources

  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.

Applications

Typical applications for the Bulletin 873C Ultrasonic Proximity-style Sensors include:

  • Material handling
  • Packaging
  • Food processing
  • Transportation

Customer Success

  • Sensors Case Studies — View our case studies site to discover how customers have applied Allen-Bradley sensors products in their applications.