Model 640S Steel-Mass™ Insertion Mass Flow Meter
Accurate and repeatable, this product is a rugged and reliable mass flow measurement workhorse in heavy industrial applications.  Product accuracy is ± 1% of reading +0.5% full scale, and the flow range is up to 20,000 sfpm (air) with standard accuracy. It inserts easily into ducts and pipes to monitor total gas mass flow rate.

Model 620S Fast-Flo™ NEMA 4X (IP65) Insertion Mass Flow Meter
A 200 msec fast time-response microprocessor-based transmitter in a NEMA 4X (IP65) enclosure.  Product accuracy is ± 1% of full scale and the flow range is up to 20,000 sfpm (air) with standard accuracy.  Boiler-Trak™ is designed to provide an economical and easy to install solution for natural gas, propane or butane measurement to heaters and boilers. Product accuracy is ± 1% of full scale and the flow range is 80 to 1600 SCFM (natural gas) with standard accuracy.

Model 640S Steel-Mass™ Insertion Mass Flow Meter
Accurate and repeatable, this product is a rugged and reliable mass flow measurement workhorse in heavy industrial applications.  Product accuracy is ± 1% of reading +0.5% full scale, and the flow range is up to 20,000 sfpm (air) with standard accuracy. It inserts easily into ducts and pipes to monitor total gas mass flow rate.