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DOWNLOADThermal Mass Flow Meters
For Those Who Demand Precision Data
Are you in an industry that demands precise data? Look no further than Sierra’s insertion flow meters for thermal mass measurement. Browse our insertion-type thermal flow mass meters below or contact us today to discuss your needs and we’ll find you the best flow meter for your exact industry or application.- View by:
BioTrakTM 645S/745S
Wastewater Thermal Mass Flow Meter
- Direct mass flow measurement maintains precise control of aeration, digestion, and cogeneration
- Microprocessor based, field-programmable electronics
- Wide measurement range up to 1000:1 turndown; 100:1 typical
- DigiSense sensor design / Swivel probe ±180° into four positions
- BioSelect™ menu provides field selectable air, methane, and digester gas
- BioView™ software provides access to meter data / Configure meter settings in field
- BioCal™ verifies calibration within five minutes
BioTrak 645S/745S BioView Software
Configuration and Data Logging Software
- Quick access to all configuration parameters with pop-up windows and pull-down menus
- Selection of measurement units, flow and temperature ranges, and more
- BioSelect™ menu provides field selectable air, methane, and digester gas
- BioCal™ Calibration Validation provides quick and easy way to field validate calibration
- Set alarms; display alarm codes
- Data logging to an Excel® spreadsheet
TM100-View Software
Meter Data and Configuration
- Get quick access to all configuration parameters with pop-up windows and pull-down menus
- View raw data to diagnose or troubleshoot your meter
- Select measurement units, flow and temperature ranges, alarm settings, and more
- Print or save a TM-Cal™ Calibration Validation Certificate
- Set alarms and display alarm codes
- Optional Gas-Mix Menu
- Use simulation mode to align 4-20mA output with the input to the user’s PLC/DCS
QuadraTherm® 640i
Industry's Most Accurate Air / Gas Thermal 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 >
- 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)
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)
TM500™
High Performance Industrial Thermal Mass Flow Meter
- 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
TM100™
Economical Industrial Thermal Mass Flow Meters
- 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
SteelMassTM 640S
Insertion Gas Mass Flow Meter
- 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
FlatTrak™ 780S
Inline Thermal Mass Flow Meters with Flow Conditioning
- 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
BioTrak™ 645i/745i
Wastewater Dedicated Thermal Mass Flow Meter
- Field-Selectable Gases-air, methane, digester gas
- Direct mass flow measurement maintains precise control of aeration, digestion, and cogeneration
- Accuracy: Air: +/-1% of reading +/-0.2% of full scale - Other gases: +/-1.5% of reading +/-0.5% full scale
- Insertion and inline versions
- AC or DC power input available
- Optional hot top packing gland and retractor
- Integral and remote electronic configurations available
- Wide measurement range up to 1000:1 turndown; 100:1 typical
- BioCal Calibration Validation within five minutes
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
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.
FlatTrak™ 780S-UHP
Industry-Choice For Bulk High Purity Gas Custody Transfer To Semicon Fabs
- 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
qMix Gas Mixing Feature
Field-Update For Gas Composition Changes
- Powerful, gas mixing software to create custom gas mixtures in the field
- Per meter license gives unlimited custom gas mixtures and uploads per meter serial number
- Maintain flow meter accuracy if gas composition changes
- No need to send unit back to the factory if gas composition changes
- Avoid costly recalibration
Measure Flare Gas in Real Time
QuadraTherm® qMix RealTime
Flare Measurement System
- Meet EPA rule 40 CFR 63-measure flare gas down to 0.1 sfps (0.03 smps) where ultrasonic flow meters can't operate
- Handles upset conditions at ultra-high flows with wide 1000:1 turndown
- Easy to install with current ultrasonic flow meters-no process shutdown
- Use qMix RealTime App to connect, read, and update new flare gas composition from a GC-real time, no recalibration needed
- Set update frequency by time or by percentage change in the gas composition
- Get flow and composition trend analysis, flow alarming and triggers
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