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Kurz 454FTB Thermal Mass Insertion Flowmeter

The Kurz 454FTB Thermal Mass Flowmeter is a single point insertion thermal mass flowmeter designed for industrial air and gas flow measurement. Kurz 454FTB thermal mass flowmeters employ Constant Temperature (CTA) technology to give a responsive, reliable thermal mass flow measurement.  Kurz 454FTB offers hazardous area, ATEX, approval options along with SIL1 qualification for use in safety critical applications.  Additionally, the Kurz 454FTB thermal mass flowmeter is recognised by the UK Nuclear Authority via EMPHASIS approval as the standard thermal mass flowmeter for safety critical air and gas flow measurement applications.


Kurz 454FTB Thermal Mass Flowmeter benefits…

  • Rugged, industrial design with Hastelloy C-276 and 316LSS wetted parts
  • Process pressure rating up to 300PSIG (self compensating)
  • HHT High Temperature design option upto 500°C
  • Velocity measurement range <24,000SFPM (approx 122 nm/s)
  • SIL1 approval and ATEX compliance
  • UK Nuclear EMPHASIS Approval
  • NAMUR NE43 compliance with upto 2x analogue outputs
  • SMART Digital output communications
  • Multi-Point calibration correction factors for Flow and Temperature
  • Sensor support length up to 1.5m as standard
  • Factory calibration as standard (gasses listed below, please contact Fluidic for other)


Access the latest configuration software etc at


Kurz 454FTB Thermal Mass Flowmeter, Standard Gas Calibration Groups and Gas Types…

Group A – Air, Nitrogen, Oxygen, Argon, Carbon Dioxide
Group C – Methane, Digester Gas, Dry Ammonia
Group D – Dry Chlorine, Ethylene
Group E – Ethane
Group F – Helium, Propane, Butane
Group G – Hydrogen


Fluidic are a recognised partner of KURZ for the United Kingdom.  Our instrumentation engineers are product trained and are able to help with instrument selection within the full KURZ instrumentation supply scope.  We commonly supply into the UK Nuclear industry and are signatories to the NDA supply chain charter.  Please call either office for more information (Glasgow 0141 641 5920,  Warrington 01925 572401).


  • Download Kurz 454FTB Thermal Mass Flowmeter Datasheet
  • Download Kurz 454FTB Thermal Mass Flowmeter Safety Integrity Level (SIL) and EMPHASIS Approval Documentation
  • Download Kurz Installation Options
  • Download Kurz B Series Quick Start Guide
  • Download Kurz B Series Hardware Guide
  • Download Kurz B Series Operations Guide
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