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
- 5-point NIST calibration on primary standards
- Large display to view flow information easily
- Choice of construction in aluminum or 316 stainless-steel
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
RedySmart®
The Ultimate OEM / MFC
Lifetime No-Drift Sensor Warranty
- Ultimate OEM MFC-modular, compact footprint, connect power cable & communication system
- MEMS sensor stability- Lifetime no-drift sensor warranty
- Direct mass flow with thermal technology- no temp or pressure compensation
- Precision electromagnetic valve control
- Competitive OEM pricing- Cost-effective solutions
RedyCompact®
Compact Mass Flow Meters & Regulators- Perfect VA Replacement
- Direct Mass Flow, not volumetric, for highest accuracy & repeatability
- High-precision MEMS technology: No-drift (lifetime warranty) CMOS sensor
- Compact Footprint for easy drop in replacement to VA meters
- Regulate flow with high resolution manual setpoint
- Battery operated, with large, easy-to-use touchscreen display, automatic screen adjustment (0°/90°/180°/270°)
TopTrak® 820
Economical 800 Series Mass Flow Meters
- Proven gas flow measurement with affordable OEM pricing
- 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 >
- 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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