The rugged, reliable KOBOLD DF series paddle wheel flow sensor is available in seven material combinations allowing it to be used with low-viscosity, water-based liquids as well as with more aggressive chemicals. The DF is supplied as standard with an NPN pulse frequency output. Its compact size, combination of various materials and cost-effective price make the DF the ideal flow sensor for many industrial and OEM applications.
How it Works:
The flow sensor contains a multipole magnet ring embedded in the paddle wheel. When the wheel rotates, the magnets induce a DC signal into a Hall-Effect sensor that’s mounted on the device housing. Since the DC signal frequency is proportional to the paddle wheel’s rotation, you get an accurate flow rate reading.
When coupled with the appropriate KOBOLD electronics unit, the DF sensor can offer you numerous useful features including frequency output, analog output, adjustable switches, digital displays with integrated batch controllers, or totalizers.
The DF is easy to install, with no straight run required.
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