Greyline PDFM

Non-contacting portable Doppler flowmeter
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  • Quick, easy flow measurements from outside a closed pipe.
  • Simple start-up and calibration – just minutes to install and calibrate.
  • No calculations – No programming codes.
  • Built-in 300,000 point data logger and PC Software.
  • “Sleep Mode” for extended data logging on battery power.
  • New signal processing for reliable accuracy.
  • Battery powered for a full day’s work.
  • No obstruction – No pressure drop.
  • 4-20mA and USB outputs.
  • 10-digit totalizer.
  • AC/DC and battery operation (built-in rechargeable battery).
  • For projects where a permanent flowmeter is not required or to temporarily replace installed flow transmitters.
  • Ideal for tough flow applications (sewage, treated wastewater, aerated water, sludge and slurries, chemicals and solvents, viscous liquids, abrasives, food products, pulp stock, acids and caustics…).

Codes and references



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