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DOWNLOADWastewater Flow Meters
Precision Gas Flow Measurement to Optimize Your Wastewater Facility
Whether managing aeration basins, cogeneration, chlorine injections, ozone treatments, or other water and wastewater applications, Sierra’s flow measurement solutions provide the accuracy and reliability needed to boost process efficiency and reduce costs. Thermal mass flow meters from Sierra are the definitive technology to monitor and maintain control of air, biogas, digester gas, natural gas, and other gases in your facilities.For pipes and ducts with limited straight-run, Sierra’s BioTrak 645i installed with dual-plate FlowTrak flow conditioners ensures accurate and repeatable flow measurement with the shortest straight-pipe requirements of any mass flow meter in the industry.
Overall, our wide range of flow technologies provide proven measurement solutions for nearly any gas, liquid, or steam flow application in WWTP plants and other industries.
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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
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 >
- 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)
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
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