For over 50 years, The Duane Nielsen Company provided dependable and integral flow meter calibration services across various industrial plants and municipalities. Since 2022, Midwest Flo Cal is a family owned calibration business dedicated to these same values.
Services Provided by Midwest Flo Cal
Flow Meter Calibrations & Installments
Open Channel Meters
-Flumes: Parshall, Palmer-Bowlus, Trapezoidal and more
-Weirs: V-notch, Rectangular, and more
Magmeters
Lift Station Drawdown Flow Testing
Open Channel Temperature Meter Configurations
Wet Well Level Control Meter Installments
-Services include: 4-20mA input and output verifications and trimming adjustments
Our History
1960s
Early Years
Duane Nielsen, a former representative of Fischer Porter, begins a traveling calibration business servicing flow meters around the Midwest. The Duane Nielsen Company was made.
1997
Late 1990s – 2022
Mark Dykes acquires The Duane Nielsen Company and continues to serve many of the same municipalities as Duane once did.
2022
Phase Three
Mark’s youngest son, Nathan, establishes Midwest Flo Cal LLC in April of 2022, continuing to service municipalities and industrial businesses across the Midwest.