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Blog: Let's Talk Flow

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1.0 to 12 inch (25 to 304mm)

Tube, Pipe, Duct Size

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FlatTrak 780S-UHP
FlatTrak™ 780S-UHP

FlatTrak 780S-UHP | Inline Thermal Mass Flow Meters

  • Optimized for bulk ultra high purity (UHP) gas custody transfer
  • Direct mass flow measurement
  • No moving parts, 100:1 turndown, low pressure drop
  • Reduce straight-run requirements with built-in flow conditioning
  • Validate in the field for easy in-situ calibration
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FlatTrak 780S
FlatTrak™ 780S

FlatTrak 780S | Inline Thermal Mass Flow Meters

  • Reduce straight-run requirements with built-in flow conditioning
  • Eliminate drift with DrySense sensor
  • Needs only 3-diameters up, zero downstream
  • Validate in the field for easy in-situ calibration
  • Backed by lifetime sensor warranty
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FlowTrak
FlowTrak™ (620 & 640 only)

FlowTrak | Inline Flow Conditioners | Sierra Instruments

  • Creates uniform flow profile at economical price
  • Maximizes flow measurement accuracy in constrained piping environments
  • Reduce upstream and downstream diameters
  • Proven Dual-Plate technology
  • For Models 
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QuadraTherm 640i
QuadraTherm® 640i

QuadraTherm 640i | Thermal Mass Flow Meters

  • Achieve high accuracy +/- 0.75% of reading
  • Eliminate drift with patented DrySense™ sensor
  • Validate in the field for easy in-situ calibration
  • Use qMix software to easily change gas composition in the field and retain accuracy Download Flare Gas Mass Measuring Tech Note
  • 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 > 
  • Meet EPA rule 40 CFR 63 for flare gas measurement at ultra-low flows down sfps (0.03 smps) with QuadraTherm® qMix RealTime Flare Measurement System (FMS)
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QuadraTherm<sup>®</sup> 780i Inline Mass Flow Meter.
QuadraTherm® 780i

QuadraTherm 780i | Thermal Mass Flow Meters

  • 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 >
  • Meet EPA rule 40 CFR 63 for flare gas measurement at ultra-low flows down sfps (0.03 smps) with QuadraTherm® qMix RealTime Flare Measurement System (FMS)
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BoilerTrak 620S BT Mass Flow Meter
BoilerTrak™ 620S-BT

BoilerTrak 620S-BT | Insertion Thermal Mass Flow Meters

  • Optimized natural and propane measurement for 1, 2, 3, 4 inch sch. 40 pipe sizes
  • 17,000 sfpm maximum velocity 
  • 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. 
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SteelMass 640S
SteelMassTM 640S

SteelMass 640S | Insertion Gas Mass Flow Meters

  • Insertion, totalizing air/gas mass flow meter
  • Eliminate drift with patented DrySense™ sensor
  • Increase flexibility with low pressure drop, high turndown
  • Validate in the field for easy in-situ calibration
  • Backed by lifetime sensor warranty
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Precision Flow Switch for Liquids & Gases - InnovaSwitch
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
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InnovaMass 240S
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
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FastFlo 620S Mass Flow Meter
FastFlo™ 620S

FastFlo 620S | 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
  • 20,000 sfpm maximum air velocity
  • Easily install in the field or retrofit
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InnovaMass 241S
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
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Clamp-On Ultrasonic Portable Flow Meter - InnovaSonic 210
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
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TM100
TM100™

TM100 Thermal Mass Flow Meters | Sierra Instruments

  • Accuracy 
    • +/- 1.0% of reading plus +/- 0.2% of full-scale – Air, Nitrogen 
    • +/- 1.5% of reading plus +/- 0.5% of full-scale – All other gases
  • Repeatability +/- 0.2% of full scale
  • Direct measurement of gas mass flow / No volume to mass calculations
  • DigiSense™ robust sensor design
  • 12 to 24 volt DC power 
  • Use optional Gas-Mix™ feature to easily change gas selection or create gas mixes in the field - no recal required  
  • 2–3-week delivery lead times / 1-week delivery possible
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TM500
TM500™

TM500 Thermal Mass Flow Meters | Sierra Instruments

  • Accuracy 
    • +/- 1.0% of reading plus +/- 0.2% of full-scale – Air, Nitrogen 
    • +/- 1.5% of reading plus +/- 0.5% of full-scale – All other gases
  • Repeatability +/- 0.2% of full scale
  • Direct measurement of gas mass flow / No volume to mass calculations
  • DigiSense™ robust sensor design
  • AC or DC power 
  • Use optional Gas-Mix™ feature to easily change gas selection or create gas mixes in the field - no recal required 
  • 2-3 week delivery lead times / 1 week delivery possible
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Ultrasonic Digital Liquid Flow Meter - InnovaSonic 203
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
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