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Proximity-Style Ultrasonic Sensors

Bulletin 873C 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.

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)

Products

  • 873C Proximity-Style Ultrasonic Sensors

Certifications

  • UL, cUL, and 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.

Related Products

Frequently Viewed Publications

TitleNumberLanguage
Bulletin 873C Ultrasonic Proximity Style Sensors Installation Instructions873C-IN001
More Ultrasonic Sensor publications in Literature LibraryAll Languages

Product Catalog

Find catalog numbers, certifications, and specifications.

Certifications

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

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Browse our Literature Library where you can search for additional publications in more languages. You can also use the Advanced Search feature to search by catalog number, publication type, title, or keywords to narrow your results.

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Configuration & Selection Tools

Other Resources

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

Accessories

We offer a variety of accessories for your Inductive Proximity Sensors, including:

  • Mounting brackets
  • Mounting nuts
  • Terminal chambers

View all accessories in the Inductive Proximity Sensors Catalog [PDF]

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.