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0 to 50 slpm (nlpm) or less

Flow Range

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SmartTrak® 50

Low-Cost 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 construction in aluminum or 316 stainless-steel
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
SmartTrak® 100 HP

Ultra-High Pressure Gas Mass Flow Meters & Controllers

  • Powerful high-pressure measurement and control up to 5000 psig (345 barg)
  • Proven accurate mass flow control with high-pressure calibration facility
  • Guaranteed high-pressure performance with high-impact, carbon-enforced valve seat
  • Make adjustments in the field with pushbutton display
  • Flexible Integration with a wide range of digital communication protocols
CalTrak®800

Highest Accuracy Gas Flow Calibration Primary Standard

  • Highest accuracy of ± 0.15% of reading gas mass flow rate
  • Broad flow range from 0.5 sccm up to 100 slpm
  • Quick, easy to use, automatic data capture 
  • Portable and battery operated
  • Results directly traceable to NIST
CalTrak®500

Accurate Gas Flow Calibration Primary Standard

  • Accuracy of up to ± 0.35% of reading gas mass flow rate
  • Calibrate your flow instruments, save money and time
  • Quick, easy to use, automatic data capture 
  • Portable and battery operated
  • 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
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
MassTrak® 810

Economical Digital Mass Flow Controllers

  • Record flow measurement at affordable OEM pricing
  • Save money with volume discounts
  • Read results easily  with large LCD readout
  • Accurate mass flow control even with low pressure drop
  • Save time with built-in setpoint control
TopTrak® 820

Economical 800 Series Mass Flow Meters

  • Proven gas flow measurement with affordable OEM pricing
  • For fast delivery, buy online, next-day shipment
  • Save money with volume discounts
  • Read results easily with large tiltable display
  • Easy drop-in replacement with compact size
  • Available in economical nylon, stainless steel and aluminum
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
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 >
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

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