THERMAL METERS

After FCI, Sierra, and Kurz got thermal flowmeter technology going in the 1970s, a second generation of suppliers appeared in the 1980s and 1990s. Eldridge Products, founded by Mark Eldridge, introduced its first thermal mass flowmeter in 1988. In 1993, Magnetrol brought out a thermal mass flowmeter. Fox Thermal Instruments, founded by Brad Lesko, was formed in 1994. Then in 2002, Bob Steinberg formed Sage Metering. All these companies were in the Monterey, California area, with the exception of Magnetrol, which is headquartered in Illinois.