Greyline Instruments develop and manufacture industrial flow and level monitoring instruments for measurement and control in water and wastewater treatment, industrial process automation and for environmental monitoring.

 

Greyline level instruments include :

Greyline ultrasonic flow products include :

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DFM 5.0 Doppler Flow Meter for dirty liquids. Monitors flow with clamp-on ultrasonic transducer.

 

PDFM 5.0 Portable, battery-powered Doppler Flow Meter for fast, easy flow troubleshooting of dirty or aerated liquids.

 

DFS-II Doppler Flow Switch for Pump Protection from outside a  pipe. Works on pipe diameters 1/2" (12.5 mm) or larger.

 

TTFM 1.0 Transit Time Ultrasonic Flowmeter for clean liquids. With non-contacting transducers.

 

PTFM 1.0 Portable Ultrasonic Flow Meter for clean fluids with transducers for 1/2" to 48" (12-1200 mm) pipes.

 

Portaflow PT400 Portable Ultrasonic Flow Meter for clean fluids with sensors selected for small or large pipe diameters.

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