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0 to 1000 slpm or less

Flow Range

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MaxTrak® 180

Industrial Mass Flow Controller

  • Meet industrial MFC requirements  with NEMA 6 & IP67 ratings
  • Increase efficiency with true, digital high-performance
  • Make adjustments in the field for time savings
  • Configure up to 10 gasses with one instrument
SideTrak® 840

Analog Mass Flow Controller

  • Dependable analog mass flow control for over 30 years
  • Precision control with low pressure drop
  • Proven to control toxics, corrosives and combustibles with easy, cleanable sensor tube
  • Count on durability with rugged construction
CalTrak®XL

Primary Standard High-Flow Gas Flow Calibration

  • Begin to calibrate up to 1500 slpm
  • Replace bell provers or sonic nozzle arrays
  • Bring ± 0.15% of reading accuracy to the factory floor
  • Quick, easy-to-use, automatic data capture 
  • Results directly traceable to NIST
SmartTrak® 140

Ultra-Low Pressure Drop Mass Flow Controller

  • Meet requirements for ultra-low pressure with ΔP of 4.5 psid (310 mBard)
  • Improve efficiency with true, digital high performance
  • Navigate easily with large multifunction display interface
  • Make adjustments in the field for time savings
  • Configure up to 10 gasses with one instrument
BoilerTrak 620S-BT

Insertion Thermal Mass Flow Meter for Boiler & Heater Efficiency

  • Optimized natural and propane measurement for 1, 2, 3, 4 inch sch. 40 pipe sizes
  • Wide flow ranges from 0 to 42,000 scfh
  • Easily install in the field or retrofit
  • Certified for GHG measurement meeting EPA (40 CFR Part 98)
  • Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD) Learn More
  • Fast delivery—ships next-day from stock 
SmartTrak®100

Premium Digital Mass Flow Controllers and Mass Flow Meters?

  • Direct mass flow with thermal technology +/- 0.5% full scale accuracy
  • True multi-gas digital mass flow controller
  • View and change every aspect of the instrument
  • Small footprint at 50 slpm ideal for OEMs
  • 10-point NIST calibration on primary standards
SmartVO™

Precision Gas Flow Control Valves

  • Proprietary frictionless-hovering direct-acting control valve
  • Operate over a wide pressure differential range
  • Many choices of fitting and elastomers
  • Aluminum and 316L stainless steel
  • Available with valve control package and power supply
  • For fast delivery, buy online, next-day shipment
FastFlo 620S

Fast-Response Insertion Thermal Mass Air Flow Sensor

  • Increase efficiency with fast response time within 200 milliseconds
  • Optimized air, nitrogen, and inert gas measurement for 1, 2, 3, 4 inch sch. 40 pipe sizes
  • Wide flow ranges from 0 to 42,000 scfh
  • Easily install in the field or retrofit
  • Fast delivery—ships next-day from stock
SmartTrak® 50

Economical Digital Mass Flow Controllers & Mass Flow Meters

  • OEM pricing with digital high-performance
  • Small footprint at 50 slpm ideal for OEMs
  • 10-point NIST calibration on primary standards
  • Large display to view flow information easily
  • Choice of aluminum or 316 stainless-steel construction
QuadraTherm® 780i

Highest Air/Gas Mass Flow Measurement Accuracy in Industry

  • Achieve the highest accuracy +/- 0.5% of reading
  • Eliminate drift with DrySense sensor
  • Reduce straight-run requirements with built-in flow conditioning
  • Needs only 1-diameter up and zero downstream diameters
  • Validate in the field for easy in-situ calibration
  • Backed by lifetime sensor warranty
  • Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD), Learn more > 
  • Part of Sierra's Big-3 iSeries family of flow meter technologies, Learn more >
InnovaSonic®210i

Portable Clamp-On Ultrasonic Flow Meter for High Accuracy Liquid Metering

  • 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
  • For fast delivery, buy online, next-day shipment
  • Rent or Rent-2-Own programs
  • Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD) Learn More
InnovaSonic®203

Economical Clamp-On Ultrasonic Water Flow Meter for Accurate Results

  • 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
  • For fast delivery, buy online, next-day shipment
  • Flexible rent or Rent-2-Own programs

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