Greyline is a worldwide leader in ultrasonic instrumentation for industrial and environmental markets. We develop, manufacture and market industrial flow and level monitoring instruments including ultrasonic level transmitters, flow meters and open channel flow meters. Greyline’s primary market is environmental - especially water and wastewater treatment systems. Customers include industry and municipalities. Modern research facilities at Greyline include closed pipe and open channel flow systems. With years of steady growth, Greyline products are sold and supported worldwide.

About Us

We 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 ultrasonic level monitors and transmitters, tank level monitoring instruments, pump station level controllers, software and data loggers.

Greyline's ultrasonic flow products include portable meters for troubleshooting and surveys, Doppler flow meters with strap-on sensors, flow switches, open channel flow monitors and area-velocity flow meters.

FEATURED PRODUCTS

Greyline - Model DFS-II - Doppler Flow Switch

Control Flow from outside a pipe. Recommended for 'difficult liquids' including wastewater, slurries, sludge, chemicals, viscous liquids and abrasives. The Greyline DFS-II is ideal for pump protection or to activate flow/no-flow alarms.

Greyline - Model SLT 5.0 - Level & Flow Monitor

Use this versatile instrument to continuously measure, display, transmit and control liquid level in storage tanks and pumping stations, or to monitor and totalize Open Channel Flow through any flume or weir. Mount the non-contacting ultrasonic sensor above the liquid being measured and install the watertight electronics enclosure nearby. Features a user-friendly keypad calibration system, backlit LCD display, an isolated 4-20mA output and 2 ...

FEATURED APPLICATIONS

Differential level transmitter for VFD pump control & flow measurement

An Ontario municipality deploys Portable flowmeters to solve flow rate discrepancies between sewage pump station effluent and lagoon influent flowmeters. Faced with suspension of construction permits due to flow rate uncertainty, the Township of North Glengarry called on Greyline Instruments to help troubleshoot two permanently installed flow meters.

Flow monitoring for quarry dewatering compliance

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.

FEATURED DOWNLOADS

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INDUSTRIES SERVED

Company details

Business Type:
Technology - Manufacturer

Industry Type:
Monitoring and Testing - Water Monitoring and Testing

Market Focus:
Globally (various continents)

Year Founded:
1986

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