• Clamp-On Liquid Flow Meter

    • Clamp-On to pipes up to 8 inches
    • Monitor water, oils, chemicals, and more
    • No pipe modification necessary
  • Easy Installation

    This liquid flow meter clamps directly onto the outside of any rigid pipe for simple and easy setup. The FD-R's ultrasonic detection method eliminates the need to modify or cut into existing pipes.

  • Innovative Monitoring

    Continuously monitor the flow and temperature of any liquid with either discrete or analog outputs. Easily store and review all flow data with the recording function of the FD-R.

  • Any Liquid, Any Pipe

    Monitor up to 2500 gal/min of common liquids including water, slurry, caustic chemicals, etc. The FD-R is compatible with any rigid pipe up to 8''.

  • Liquid Versatility

    The FD-R can be used to accurately monitor a variety of liquid processes including influent collection, disinfection, chemical dosing/injecting, effluent disposal, and more.

  • Wide range of compatible pipe materials & sizes

  • Simultaneous temperature and flow monitoring

  • Easy-to-read digital display for quick setup and data retrieval

  • Superior environmental resistance: Rated NEMA 4X and IP69K

Learn more about the FD-R Series...

We guarantee 100% privacy – your information will never be shared.

Privacy Statement

Online Member Benefits

  • Instant product catalog and technical guide downloads
  • Seamlessly submit requests for pricing and demonstrations
  • One-time registration, unlimited access


Step 1/3

We could not find an existing KEYENCE site account with the email address you entered. Please complete the registration form below in order to proceed. You will not need to complete this form again in the future.