OPTISONIC 6300 Ultrasonic Clamp-On Flowmeter

Source: KROHNE, Inc.

The OPTISONIC 6300 is an ultrasonic clamp-on flowmeter for permanent mount installation. It is particularly suitable for flow measurement of (non-)conductive liquids at any location where inline measurement is not possible or desirable. The flowmeter consists of a combination of one or two clamp-on sensors and one ultrasonic signal converter. Its robust clamp-on rail is highly flexible and can be very easily attached to virtually any pipe up to DN4000 / 160".

Typical applications of the clamp-on flowmeter include flow measurement of a broad range of refined hydrocarbons, demineralised water or chemicals as well as measurements in hygienic applications. A clamp-on version for extended temperature ranges up to +200°C / +392°F is also available. The OPTISONIC 6300 has approvals for use in hazardous areas and offers HART® communication capability.

Product highlights

  • Bi-directional measurement where inline measurement is not possible or desirable
  • Robust industrial clamp-on design
  • All-in-one system: small, medium or large version
  • With optional stainless steel sensor for corrosive environments, offshore applications etc.
  • Easy sensor mounting, optional with thickness gauge
  • Installation wizard for immediate start-up
  • Efficient regreasing concept, minimal maintenance
  • Available with wall-mounted signal converter

Typical applications


  • Stationary, non-invasive measurements
  • General process control

Water and wastewater industry

  • River and surface water
  • Potable water

Power industry

  • Desalination, water intake
  • Heated water
  • Purified water
  • Cooling water circuits

Oil and gas industry

  • Oil transportation
  • On-loading and off-loading
  • Tank storage applications
  • Natural gas dehydration / glycol circuit

Chemical, petrochemical and other process industries

  • Chemical or petrochemical feedstock
  • Refined liquid hydrocarbons
  • Corrosive, toxic and abrasive chemicals
  • Solvents
  • Retrofit or replacement of inline meters
  • Cooling water intake and circuits
  • Demineralised water

Food and beverage industry

  • Various hygienic measurements
  • CIP processes