Go to Autotest Division >
Your Online Store
for the ENTIRE Sierra Product Line!
Largest Factory Direct Selection on the Web
Smart Configurator
Next Day Shipping
Lifetime Support
Help & Info | Equifax Secure Site
- View by:
- Grid
SmartTrak®100
Premium Mass Flow Controllers
- 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
SmartTrak®100
Premium 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
SmartTrak® 50
Economical Mass Flow Controllers
- 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
SmartTrak® 50
Economical 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
TopTrak® 820
Economical Analog Mass Flow Meter
- 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
MassTrak® 810
Economical Nylon Mass Flow Controller
- 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 local setpoint control
RedySmartTM
OEM Mass Flow Meters
- 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
RedySmartTM
OEM Mass Flow Controllers
- 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
RedyCompactTM
Compact Meters
- 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°)
RedyCompactTM
Compact Manual Regulators
- 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°)
InnovaSonic®203
Economical Ultrasonic Mass 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
- For fast delivery, buy online, next-day shipment
- Flexible rent or Rent-2-Own programs
InnovaSonic®207i
Ultrasonic Liquid & Thermal Energy/BTU Flow Meter
- High accuracy transit-time ultrasonic technology
- Software apps for ease of installation & diagnostics
- Optimized for thermal energy/BTU measurement
- Clamp-on sensors, no pipe cutting, no shutdown
- Real-time liquid density compensation
- Upgrade meter firmware and software in the field
- Part of Sierra's Big-3 iSeries family of flow meter technologies, Learn more >
InnovaSonic®210
Portable Ultrasonic Mass Flow Meter
- 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
QuadraTherm® 640i
Highest Accuracy Insertion 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 >
- Part of Sierra's Big-3 iSeries family of flow meter technologies Learn more >
InnovaMass® 241i Insertion
Insertion Multivariable Vortex Mass Flow Meter
- Insertion probe up to 72 inches (2M); optional hot tap
- Ideal for saturated or superheated steam, gas, and liquid
- Volumetric flow rate or mass flow
- Multivariable for five measurements in one device
- Complete suite of digital communications
- A variety of Apps for ultimate field flexibility
- Buy online for next day shipping
- Certified for Boiler MACT measurement meeting EPA regulations 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 >
InnovaMass® 241S Insertion
Vortex Flow Meters
- Insertion probe for pipes and ducts up to 72 inches (2M); Optional hot tap
- Highly reliable with no moving parts
- Loop power option available
- Rugged, long-lasting design for the industrial applications
- For fast delivery, buy online, next-day shipment
FastFlo™ 620S
Fast-Response Insertion Mass Flow Meters
- 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
BoilerTrak™ 620S-BT
Insertion Mass Flow Meters For Boilers
- 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
InnovaSwitch™ Flow Switch
Thermal Flow Switch for Gases and Liquids
- Ultra-sensitive with fast response time
- Ideal for industrial pump protection
- Buy online, next-day shipment
- 2-year workmanship warranty
- Unique high temperature up to +458°C
InnovaSwitch™ Level Switch
Thermal Level Switch for Liquids
- Triggered on level change of 0.8 mm
- Ideal for tank leak detection
- Great for truck and railcar loading
- Buy online, next-day shipment
- 2-year workmanship warranty
FloBox™951/954
Single & Multi-Channel Digital Control Power Supplies
- Digitize up to four analog mass flow controllers
- Add feature-packed digital performance to analog MFCs
- Easy-to-use large pushbutton digital display
- Conveniently power up to four units
- Independent totalizers and alarms
- For fast delivery, buy online, next-day shipment
