www.pmmag.com/articles/98719-flow-sensor-ideal-for-solar-and-geothermal-systems
Flow Sensor Ideal For Solar and Geothermal Systems
April 1, 2010

Clark Solutions announces the availability of a new family of liquid vortex flow sensors ideal for use in solar and geothermal hot water systems and equipment. DN Series Flow Sensors are accurate to 1% fs of measured value and are available for less than $100 in quantity. DN Series Liquid Vortex Flow Sensors also provide direct temperature measurement to facilitate documentation of energy transfer in water & water glycol based heat exchange systems.
For more information, visit www.clarksol.com.