Insertion Thermal Mass Flow Meter for Boiler & Heater Efficiency Optimized natural gas and propane measurement for 1, 2, 3, and 4 inch sch. 40 pipe sizes 17,000 sfpm maximum velocity Easily install in the field or retrofit existing piping Certified for GHG measurement meeting EPA 40 CFR Part 98 requirements Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD) The BoilerTrak™ 620S-BT is a precision insertion thermal mass flow meter designed to measure natural gas and propane flow for boiler and heater efficiency, combustion optimization, and greenhouse gas emissions reporting. Its direct mass flow measurement requires no separate temperature or pressure compensation, and its insertion-style design makes installation simple in both new and retrofit applications.Contact our team to size and configure the BoilerTrak 620S-BT for your boiler efficiency, combustion-air monitoring, and emissions compliance requirements.
Sierra Instruments
BoilerTrak™ 620S-BT

$3,500.00
In stock
Overview
Specifications & Details
Full product specifications and supporting documentation.
Insertion Thermal Mass Flow Meter for Boiler & Heater Efficiency
- Optimized natural gas and propane measurement for 1, 2, 3, and 4 inch sch. 40 pipe sizes
- 17,000 sfpm maximum velocity
- Easily install in the field or retrofit existing piping
- Certified for GHG measurement meeting EPA 40 CFR Part 98 requirements
- Boiler MACT certified for area source boilers (40 CFR 63, subpart JJJJJJ) and for major source boilers (40 CFR 63, subpart DDDDD)
The BoilerTrak™ 620S-BT is a precision insertion thermal mass flow meter designed to measure natural gas and propane flow for boiler and heater efficiency, combustion optimization, and greenhouse gas emissions reporting. Its direct mass flow measurement requires no separate temperature or pressure compensation, and its insertion-style design makes installation simple in both new and retrofit applications.
Contact our team to size and configure the BoilerTrak 620S-BT for your boiler efficiency, combustion-air monitoring, and emissions compliance requirements.
Ready to put energy data to work?
Order sensors, bridges, and PowerRadar subscriptions from our store — or talk to a CEM-certified engineer about your project.