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 PTFM 1.0 - Portable Transit Time Flow Meter

Recommended for fluids like water, glycol, oils and chemicals. Use it for calibrations, troubleshooting, flow surveys and as a temporary transmitter to replace inline flowmeters. The PTFM 1.0 ultrasonic transducers strap-on the outside of pipes from ½' to 48' (12 to 1200 mm) diameter. The ultrasonic signal works through common pipe materials including carbon steel, stainless steel, ductile iron, cast iron, PVC, PVDF, fiberglass, copper, ...

FEATURED APPLICATIONS

Area-velocity flowmeter for measuring sewage and stormwater flow

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

Irrigation water flow measurement for open channels and partially filled pipes

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.

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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