InnovaSonic 207i – Sierra Ultrasonic Flowmeter

Clamp-On Ultrasonic Flow Meter – InnovaSonic

Designed, built and calibrated by Sierra for non-intrusive liquid flow metering, and optimized for thermal energy / BTU measurement, the InnovaSonic 207i transit-time ultrasonic flow meter is the ideal turnkey solution for building and district metering, and submetering.  Watch video to learn how to increase efficiency with hot/chilled water BTU measurements.


  • High accuracy transit-time ultrasonic technology
  • Software apps for ease of installation & diagnostics
  • Optimized for thermal energy/BTU measurement
  • Clamp-on sensors, no pipe cutting, no shutdown
  • Real-time liquid density compensation
  • Upgrade meter firmware and software in the field

Product Benefits

  • Designed for liquid flow metering applications
  • Thermal Energy/BTU capability
  • Tolerant of liquids with small amounts of air bubbles or suspended solids
  • Ideal for large line sizes or exotic materialsClamp-on standard, insertion transducers available
  • Transducers clamped to outside of pipe
  • Install meter during plant operations-no process shut downs, no leakage risks
  • No moving parts to clog or fatigue like turbine meters
  • Permanent or temporary installations
  • Immune to the process compatibility concerns
  • Operational safety and robustness
  • High zero stability, nearly drift free
  • Optional clamp on or insertion PT 100 RTDs transducers-
    matched pair and temperature compensated
  • Mounting kit included to lock transducer into place
  • Modular electronics enabling field upgrades
  • Large display with push buttons, user-friendly menu
  • Keypad with 16 tactile keys with 14 dual-function keys with audible feedback
  • Internally configured batch controller makes batch control convenient
  • Daily, monthly and yearly totalized flow rate
  • Positive, negative and net flow totalizers (with user selectable scale factors)
  • 16 MB SD card high-memory data logger
  • Easy Installation with Smart Interface Portal Software (SIP)
  • Field validation/configuration to assure operating performance with SIP
  • Local display with Quick key buttons for:
    • Flow, totalized flow
    • Velocity
    • Fluid
    • Signal and diagnostics
  • Configurable pulse, analog and frequency outputs
  • Fully field configurable
  • Compact, low-cost alternative to Coriolis meters

Datasheet – PDF