Liquid Flow Meters & Switches

Ultrasonic, Volumetric Vortex and Flow Switches for Liquids

Measure liquid flow rates quickly and more accurately with Sierra transit-time ultrasonic flow meters, vortex flow meters or thermal flow switches. Manufactured by Sierra’s team of flow engineers, our liquid flow meters are suited for even the most challenging liquid flow applications.

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InnovaSonic®203

InnovaSonic 203 | Ultrasonic Digital Liquid Flow Meter

  • High performance at an affordable price
  • Simply clamp-on outside of pipe for easy set up
  • Save time with no pipe cutting or process shutdown
InnovaSonic® 210 Ultrasonic Portable Flow Meter

Clamp-On Ultrasonic Portable Flow Meter - InnovaSonic 210

  • Easy setup in five minutes or less
  • Portable clamp-on transducers measure liquid flows nearly anywhere
  • Save time with no pipe cutting or process shutdown
  • Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD) Learn More
InnovaMass® 241S Insertion

InnovaMass 241S Insertion | Vortex Flow Meters

  • Insertion probe for pipes and ducts up to 72 inches (2M); Optional hot tap - no process shutdown
  • Ideal for saturated or superheated steam, gas, and liquid
  • Volumetric flow rate or mass flow
  • Multivariable for five measurements in one device
  • Energy (BTU) Monitoring for real-time monitoring of energy consumption
  • Highly reliable with no moving parts
  • Loop power option available
  • Rugged, long-lasting design for the industrial applications
InnovaMass® 240S Inline

InnovaMass 240S | Multivariable Flow Meter | Sierra Instruments

  • Highly reliable with no moving parts
  • Ideal for saturated or superheated steam, gas, and liquid
  • Flexibility with volumetric or multivariable versions
  • Multivariable for five measurements in one device
  • Energy (BTU) Monitoring for real-time monitoring of energy consumption
  • No leaks with all welded gasket-free flow body
  • Loop power option available
InnovaSwitch Flow Switch

Precision Flow Switch for Liquids & Gases - InnovaSwitch

  • Ultra-sensitive with fast response time
  • Ideal for industrial pump protection
  • 1-year warranty
  • Unique high temperature up to +458°C