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Tommy the Travelling TTFM has Success On His First Trial

Tommy the Traveling TTFM 6.1 Flow Meter

The first of many adventures for the awesome foursome, result in success for Tommy the Transit Time Flow Meter.

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Irrigation Water Flow Measurement with Greyline AVFM Area-Velocity Flowmeter

Submerged Ultrasonic Sensors Installed in Concrete Culverts

Greyline AVFM Area-Velocity Flow Meters monitor and totalize irrigation water distributed through a network of canals, channels and pipelines in the United Irrigation District.

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Non-Contacting Solution for Plugged Off Flow Meters in the Oil Patch

Petrobakken Crude Oil Battery

Wax and solids build-up were plugging off pipes and in-line flowmeters at this oil battery site in Alberta. Read how Petrobakken Energy solved the problem by switching to Greyline DFM 5.0 Doppler Flow Meters with non-contacting ultrasonic sensors.

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Flow Monitoring for Golf Course Irrigation

Summerheights Golf Links

A new TTFM 1.0 Transit Time Flowmeter monitors and logs irrigation water pumped to sprinklers at Summerheights Golf Links. The clamp-on flowmeter is used to comply with a Ministry of Environment permit.

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Thurston County Comments on Greyline Area-Velocity Flowmeters

Greyline Area-Velocity Flow Sensor

Since 2007 Thurston County has deployed Greyline Area-Velocity Flow Meters in open channels resulting in thousands of dollars in savings every year.

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Non-Contacting Flow Solution for Heap Leach Mining

Greyline AVFM 5.1 Area-Velocity Flow Meter with Non-contacting Ultrasonic Level and Clamp-on Velocity Sensors

The world's largest single producer of copper was faced with a challenge in their heap leaching process in the Atacama Desert of northern Chile. Finding an accurate, reliable non-contacting flow meter was a difficult task.

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Greyline Provides End-to-End Solution for Wastewater Treatment Plant

Greyline PSL Pump Station Level Controllers with Non-Contacting Ultrasonic Sensors plus Redundant Pressure Sensors

From sewage pump stations in the collection system, through final treated effluent, the Township of Edwardsburgh/Cardinal deploys Greyline flow and level instruments.

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Monitor Dredging Slurry Flow from Outside the Pipe

Greyline ClampOn Sensor

Dredge operators need accurate real-time flow information to properly manage production. But dredging slurries are very abrasive and pumped at high velocity so flow measurement is difficult. Manufacturers find the solution with Greyline clamp-on flowmeters.

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Solution For Submerged Flow Monitoring in Raymond Irrigation District

Water Culverts Submerged During Irrigation Season

Greyline DFM 5.1 Doppler Flow Meters with waterproof ultrasonic sensors measure flow in submerged concrete culverts in the Raymond Irrigation District in Alberta, Canada.

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Area-Velocity Flowmeter Installations in Denmark

Flowmeter Installations in Stainless Steel Panels

Greyline AVFM Area-Velocity Flow Meters are installed throughout the country by Teletronic Denmark to monitor municipal sewage and stormwater. Application photos and descriptions illustrate flow monitoring in manholes and open channels.

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Quarry Dewatering Compliance

Louis Bray Quarry near Cornwall, Ontario

A Greyline AVFM Area-Velocity Flow Meter monitors and data logs water discharged from the Bray Quarry to the South Raisin River. The Quarry is required to measure flow for environmental permit compliance.

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Flowmeter Troubleshooting at the Township of North Glengarry

Greyline PDFM 5.1 Portable Doppler Flow Meter With Ultrasonic Sensor on 12" Sewage Forcemain

An Ontario municipality deploys Greyline portable flowmeters to solve flow rate discrepancies between a magmeter installed on the forcemain in their pump station and an open channel flowmeter at the sewage lagoon.

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Greyline Instruments Inc. Canada
16456 Sixsmith Drive, Long Sault, Ont. K0C 1P0
Tel: 613-938-8956 • Toll Free: 855-300-9151
Fax: 613-938-4857 • E-mail:

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United States

Greyline Instruments Inc. United States
11451 Belcher Road South, Largo, FL 33773
Tel: 315-788-9500 • Toll Free: 888-473-9546
Fax: 315-764-0419 • E-mail:

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