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Portable Doppler Flow Meter

 Works from outside a Pipe with Strap-on-Sensor

Portable Doppler
Flow Meter
Greyline PDFM-IV

Displays, Datalogs,
Transmits and Totalizes
Flow in Closed Pipes

Simple 3-Key Calibration
50,000 point Data Logger
4-20mA Output
10-Digit totalizer
AC/DC Operation
Built-in rechargeable Battery

More Info

Fast, Easy Flow Measurements with Non-Contacting Strap-on Sensor • Non-Contacting Sensor  • Simple Keypad Operating System

Other Info

Use a Greyline PDFM-IV Portable Doppler Flow Meter to monitor and balance flow, or to troubleshoot flow problems in closed pipes. It is ideal to evaluate performance of in-line flow meters and can be installed, calibrated and started-up in minutes. Use it for projects where a permanent flowmeter is not required or to temporarily replace installed flow transmitters

The PDFM-IV ultrasonic sensor is strapped on the outside of a pipe. An acoustic pulse is reflected back to the sensor from particles or gases in the flowing liquid. The flow rate of any fluid can be measured as long as it contains air bubbles or solids. It is ideal for wastewater, slurries, sludge, and most chemicals, acids, caustics, and lubrication fluids.

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