Greyline Instruments Inc.

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  • Thurston County comments on Greyline Area-Velocity Flowmeters - Case Study

    Thurston County comments on Greyline Area-Velocity Flowmeters - Case Study

    We have been using Greyline products at Thurston County, Washington for approximately seven years. We use both the Stingray portable flow meters and the permanent Area Velocity Flow Meter (AVFM II) in multiple stormwater applications. We have used ...

  • Open Channel Flow Monitors retired after 16 years continuous service - Case Study

    Open Channel Flow Monitors retired after 16 years continuous service - Case Study

    Long Sault WWTP Influent Flow Monitors Greyline Open Channel Flow Monitors were installed at the Wastewater Treatment Plant in Long Sault, Ontario when the SBR plant was originally commissioned in 1995. But after 16 years of continuous service, ...

  • Pump Station call outs a thing of the past - Case Study

    Pump Station call outs a thing of the past - Case Study

    It’s 2:00 AM and a telephone rings in Eckville, Alberta. Rick McKinnon checks the display on his cell phone and groans. It’s another high level call out alarm from one of the town’s new sewage lift stations. He knows before he ...

  • Irrigation Water Flow Measurement with Greyline AVFM Area-Velocity Flowmeter - Case Study

    Irrigation Water Flow Measurement with Greyline AVFM Area-Velocity Flowmeter - Case Study

    The United Irrigation District (UID) in Southern Alberta, Canada serves 34,400 acres of rural land through a series of canals, channels and pipelines running 236 km throughout the region. Water is a valuable resource in the warm, arid regions of the ...

  • Greyline provides end-to-end solution for wastewater treatment plant - Case Study

    Greyline provides end-to-end solution for wastewater treatment plant - Case Study

    Wastewater treatment is a vitally important process. Just ask The Township of Edwardsburgh/Cardinal’s Assistant Chief Water and Sewer Operator, Eric Wemerman. “For a community to keep everyone’s trust, you want to make sure ...

  • Area-Velocity Flowmeter Installations in Denmark - Case Study

    Area-Velocity Flowmeter Installations in Denmark - Case Study

    Area-Velocity Flow Meters are designed to monitor flow rates in partially filled pipes and open channels without flumes or weirs. A sealed ultrasonic sensor is mounted on the bottom of the pipe or channel and connected to electronics through a ...

  • Wastewater treatment plant operators work confidently with complete system measurement

    Wastewater treatment plant operators work confidently with complete system measurement

    Wastewater treatment is a vitally important process. Just ask The Township of Edwardsburgh/Cardinal’s Assistant Chief Water and Sewer Operator, Eric Wemerman.  “For a community to keep everyone’s trust you want to make sure ...

  • Monitor Dredging Slurry Flow from Outside the Pipe - Case Study

    Monitor Dredging Slurry Flow from Outside the Pipe - Case Study

    Dredging Equipment Manufacturers Choose Non-Contacting Greyline Flow Meters The Challenge Thousands of dredges are operated to maintain navigation channels in our rivers, lakes and harbours and to mine sand and gravel for the construction ...

  • Non-Contacting Flow Solution for Heap Leach Mining - Case Study

    Non-Contacting Flow Solution for Heap Leach Mining - Case Study

    How do you measure the flow rate of a highly corrosive solution in a partially full pipe? Minera Escondida, the world`s largest single producer of copper, was faced with this challenge in their heap leaching process in the Atacama Desert of ...

  • Non-contacting solution for Plugged off flow meters in the oil patch - Case Study

    Non-contacting solution for Plugged off flow meters in the oil patch - Case Study

    For years Petrobakken Energy Ltd. used inline turbine flow meters to track the flow rate of oil recycled to treaters. But with a high concentration of wax and sand in the oil, the turbine meters were quickly plugging off. The line had to be shut ...

    Terry Willoughby

  • Wastewater Level Measurement Techniques

    Wastewater Level Measurement Techniques

    Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or ...

    Ernest Higginson

  • Greyline TTFM 1.0 flow meter for Golf course irrigation - Case Study

    Greyline TTFM 1.0 flow meter for Golf course irrigation - Case Study

    Summerheights Golf Links in Cornwall, Ontario draws irrigation water from the South Raisin River. Flow rates in the river can become very low during dry periods so water extraction is regulated and monitored closely. Flowmeter is equipped with an ...

    Rory MacLennan

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

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

    For years Petrobakken Energy Ltd. used inline turbine flow meters to track the flow rate of oil recycled to treaters. But with a high concentration of wax and sand in the oil, the turbine meters were quickly plugging off. The line had to be shut ...

    Terry Willoughby

  • Flow monitoring for golf course irrigation - Case Study

    Flow monitoring for golf course irrigation - Case Study

    “We are all talking about the price of oil, but it`s water we`ll be fighting for in the future” Summerheights Golf Links in Cornwall, Ontario draws irrigation water from the South Raisin River. Flow rates in the river can become ...

    Rory MacLennan

  • Two Technologies for Flow Measurement from Outside a Pipe

    Two Technologies for Flow Measurement from Outside a Pipe

    Doppler and Transit Time are two very popular types of flow meter for non-invasive measurement of flow in full pipes. We tend to confuse these technologies because they are both ultrasonic and both measure flow by using sensors clamped onto the ...

  • Quarry Dewatering Compliance - Case Study

    Quarry Dewatering Compliance - Case Study

    Louis W. Bray Construction installed a Greyline Area-Velocity Flow Meter in 2009 to meet Ministry of Environment regulations. Their permit stipulated effluent limits plus monitoring, sampling and flow measurement of wastewater discharged from the ...

  • Water Bottling Plant Chooses Greyline for Level Control - Case Study

    Water Bottling Plant Chooses Greyline for Level Control - Case Study

    Culligan were able to double up level monitoring of two tanks with one instrument because pairs of identical-sized tanks were interconnected with a 2” pipe near their base. The Greyline SLT32 was calibrated to display the combined volume of ...

  • Lagoon Discharge Flow Monitoring - Case Study

    Lagoon Discharge Flow Monitoring - Case Study

    Open Channel Flow Monitoring without a Flume or Weir Township operators liked the Greyline AVFM 5.0 datalogger reporting system where formatted flow reports (total, minimum, maximum and average) could be downloaded automatically to a USB memory ...

  • Portable Monitoring Instruments Solve Flow Rate Mystery - Case Study

    Portable Monitoring Instruments Solve Flow Rate Mystery - Case Study

    The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in ...

  • Quarry dewatering compliance - Case Study

    Quarry dewatering compliance - Case Study

    Louis W. Bray Construction installed a Greyline Area-Velocity Flow Meter in 2009 to meet Ministry of Environment regulations. Their permit stipulated effluent limits plus monitoring, sampling and flow measurement of wastewater discharged from the ...

    Louis W. Bray