Dosing Drop by Drop: New Low-Flow Range of Ultrasonic Flowmeters The PFA SonicLine® ultrasonic flowmeters are now also available in a new low-flow version for quantities from 0.03l/min to 6l/min in DN 3/8in. Flowrates from 0.5ml to 1ml per second are achieved in the lower range. This corresponds with almost one drop at a time and opens up new areas of application in fine dosing of chemicals for the most varied processes.
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