OPTISONIC 6300 Ultrasonic Clamp-On Flowmeter

OPTISONIC 3400, Ultrasonic Gas Flowmeter, KROHNEUltrasonic clamp-on flowmeter

The OPTISONIC 6300 stands for continuity and long term reliability. Flow measurement can be done anywhere and start-up is immediate.

The  OPTISONIC 6300 clamp-on flowmeter for liquids with its robust industrial construction and regreasing concept provides a revolutionary solution for easy handling. It can be fitted on the outside of piping to measure the flow rate of liquids.

The clamp-on flowmeter is a combination of one up to two OPTISONIC 6000 clamp-on sensor(s) and one UFC 300 ultrasonic signal converter. The overall functionality of the clamp-on flowmeter is the continuous measurement of actual volume flow, mass flow, flow speed, velocity of sound, gain, SNR and diagnosis value.


  • Minimised uncertainty

  • Optimised reliability

  • Minimal maintenance

  • Efficient regreasing concept

  • Easy sensor mounting

  • Installation wizard

  • All in one system


  • Chemicals

  • Petrochemicals

  • Power plants

  • Water

  • Oil & Gas

  • Semi-conductor

  • Food & Beverages

  • Pharmaceuticals


  • Chemical addition

  • General process control

  • Cooling water circuits

  • Broad range of refined hydrocarbons

  • Potable water

  • De-ionized and demineralized water

  • Sanitary flow rate measurements

  • Purified water


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