Greyline Instruments, Inc.

Wastewater Treatment Plant Operators Work Confidently with Complete System Measurement
Agricultural & Farming Products

Wastewater Treatment Plant Operators Work Confidently with Complete System Measurement

It worked well there, so we put them everywhere." ERIC WEMERMAN Assistant Chief Water Sewer Operator Township of Edwardsburgh Cardinal Wastewater treatment is a vitally important process. Just ask The Township of Edwardsburgh/Cardinal’s Assistant Chief Water and Sewer Operator, Eric Wemerman.Â-  “For a community to keep everyone’s trust you want to make sure you’re operating a good...

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Solid-State Magmeter has hot tap insertion design.
Test & Measurement

Solid-State Magmeter has hot tap insertion design.

Able to be installed in new pipe systems or by hot tap in pressurized pipes with flowing liquids,Â- ISM 5.0 measures flow of conductive liquids. Dual-electrode sensor and continuous auto-zero function promote accuracy even at low flow rates. Installed through tap in wall of 3–72 in. dia pipe, electromagnetic unit has no moving parts and offers selectable 4–20 mA,...

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Open Channel Area-Velocity Flowmeter has portable design.
Test & Measurement

Open Channel Area-Velocity Flowmeter has portable design.

Capable of monitoring flow through open channels, partially full sewer pipes, and surcharged pipes without flume or weir, MantaRay uses submerged, hydrodynamically shaped ultrasonic sensor that sheds deposits and stringers to promote reliable operation. Flow rate and total are displayed and logged in real-time, and power can be supplied via built-in, rechargeable batteries or external 12–24 Vdc...

Read More »
Portable Doppler Flowmeter combines accuracy, ease of use.
Sensors, Monitors & Transducers

Portable Doppler Flowmeter combines accuracy, ease of use.

For accurate flow measurement of wastewater, sludge, slurries, chemicals, and abrasives, PDFM 5.1 employs Doppler signal processing with ability to filter out noise. Product shows flow rate instantlyÂ- once ultrasonic sensor is mounted on outside of metal or plastic pipe and can be used for flow troubleshooting, spot checks, or balancing flow. After operator enters pipe diameter,...

Read More »
Doppler Flowmeter combines usability, repeatability, accuracy.
Test & Measurement

Doppler Flowmeter combines usability, repeatability, accuracy.

Able to measure flow from outsideÂ- pipe, DFM 5.1 uses doppler signal processing technology and works with difficult liquids, such as wastewater, sludge, slurries, and abrasives, or any liquid with bubbles or suspended solids. Clamp-on ultrasonic sensor mounts on ½ in. ID or larger pipe, and calibration and start-up are facilitated via 5-button keypad....

Read More »
Flow Switch enables flow control from outside pipe.
Electrical Equipment & Systems

Flow Switch enables flow control from outside pipe.

Installed in minutes without drilling or cutting, Model DFS (Doppler Flow Switch) 5.1Â- controls flow of wastewater, slurries, caustics, acids, and difficult liquids via non-contacting ultrasonic sensor mounted on outside of ½ in. dia or larger pipes. Water tight NEMA4X switch enclosure includes 5 A DPDT control relay with adjustable ON and OFF set...

Read More »
Multi-Sensor Area-Velocity Flowmeter is suited for large channels.
Test & Measurement

Multi-Sensor Area-Velocity Flowmeter is suited for large channels.

Able to be calibrated to channels of any shape in municipal stormwater, combined effluent, raw sewage, and irrigation water applications, AVMS 5.1 usesÂ- 3 submerged ultrasonic sensors to continuously measure velocity at different points. One of those 3 sensors may also monitor water level, or separate non-contacting ultrasonic level sensor may be used in system. Forward and...

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Ultrasonic Flow Meter measures flow from outside pipe.
Test & Measurement

Ultrasonic Flow Meter measures flow from outside pipe.

Designed to measure clean liquids like water, oils, and chemicals, PTFM 1.0 Portable Transit Time Flow Meter is suitable for calibrations, troubleshooting, spot checks, and balancing flow. Clamp-on transducers mount on plastic or metal pipes and ultrasonic signals are injected through pipe between sensors. Operating on full pipes with diameters from Â-½–48 in., battery-powered unit...

Read More »
Ultrasonic Flowmeter eliminates downtime and pipe cutting.
Test & Measurement

Ultrasonic Flowmeter eliminates downtime and pipe cutting.

Utilizing clamp-on ultrasonic transducers, TTFM 1.0 Transit Time Flowmeter accurately measures liquids from outside of metal or plastic pipes. Step-by-step setup menu determines sensor mounting configuration and separation distance, whileÂ- digital signal processing ensures ±1.0% accuracy. In addition to displaying flow rate/direction, totalizer, and relay status on backlit LCD,...

Read More »
Pump Station Level Controller features redundant level sensing.
Controls & Controllers

Pump Station Level Controller features redundant level sensing.

Equipped with non-contact ultrasonic sensor, PSL 5.0 is suitable for sewage lift stations, wet wells, and storage tanks. Users can also connect loop-powered pressure sensor for redundant sensing in applications with foam or grease. Controller will continuously recalibrate pressure sensor and automatically switch back and forth from ultrasonic to pressure sensor as required. In addition to...

Read More »
Wastewater Treatment Plant Operators Work Confidently with Complete System Measurement
Agricultural & Farming Products

Wastewater Treatment Plant Operators Work Confidently with Complete System Measurement

It worked well there, so we put them everywhere." ERIC WEMERMAN Assistant Chief Water Sewer Operator Township of Edwardsburgh Cardinal Wastewater treatment is a vitally important process. Just ask The Township of Edwardsburgh/Cardinal’s Assistant Chief Water and Sewer Operator, Eric Wemerman.Â-  “For a community to keep everyone’s trust you want to make sure you’re operating a good...

Read More »
Solid-State Magmeter has hot tap insertion design.
Test & Measurement

Solid-State Magmeter has hot tap insertion design.

Able to be installed in new pipe systems or by hot tap in pressurized pipes with flowing liquids,Â- ISM 5.0 measures flow of conductive liquids. Dual-electrode sensor and continuous auto-zero function promote accuracy even at low flow rates. Installed through tap in wall of 3–72 in. dia pipe, electromagnetic unit has no moving parts and offers selectable 4–20 mA,...

Read More »
Open Channel Area-Velocity Flowmeter has portable design.
Test & Measurement

Open Channel Area-Velocity Flowmeter has portable design.

Capable of monitoring flow through open channels, partially full sewer pipes, and surcharged pipes without flume or weir, MantaRay uses submerged, hydrodynamically shaped ultrasonic sensor that sheds deposits and stringers to promote reliable operation. Flow rate and total are displayed and logged in real-time, and power can be supplied via built-in, rechargeable batteries or external 12–24 Vdc...

Read More »
Portable Doppler Flowmeter combines accuracy, ease of use.
Sensors, Monitors & Transducers

Portable Doppler Flowmeter combines accuracy, ease of use.

For accurate flow measurement of wastewater, sludge, slurries, chemicals, and abrasives, PDFM 5.1 employs Doppler signal processing with ability to filter out noise. Product shows flow rate instantlyÂ- once ultrasonic sensor is mounted on outside of metal or plastic pipe and can be used for flow troubleshooting, spot checks, or balancing flow. After operator enters pipe diameter,...

Read More »
Doppler Flowmeter combines usability, repeatability, accuracy.
Test & Measurement

Doppler Flowmeter combines usability, repeatability, accuracy.

Able to measure flow from outsideÂ- pipe, DFM 5.1 uses doppler signal processing technology and works with difficult liquids, such as wastewater, sludge, slurries, and abrasives, or any liquid with bubbles or suspended solids. Clamp-on ultrasonic sensor mounts on ½ in. ID or larger pipe, and calibration and start-up are facilitated via 5-button keypad....

Read More »
Flow Switch enables flow control from outside pipe.
Electrical Equipment & Systems

Flow Switch enables flow control from outside pipe.

Installed in minutes without drilling or cutting, Model DFS (Doppler Flow Switch) 5.1Â- controls flow of wastewater, slurries, caustics, acids, and difficult liquids via non-contacting ultrasonic sensor mounted on outside of ½ in. dia or larger pipes. Water tight NEMA4X switch enclosure includes 5 A DPDT control relay with adjustable ON and OFF set...

Read More »
Multi-Sensor Area-Velocity Flowmeter is suited for large channels.
Test & Measurement

Multi-Sensor Area-Velocity Flowmeter is suited for large channels.

Able to be calibrated to channels of any shape in municipal stormwater, combined effluent, raw sewage, and irrigation water applications, AVMS 5.1 usesÂ- 3 submerged ultrasonic sensors to continuously measure velocity at different points. One of those 3 sensors may also monitor water level, or separate non-contacting ultrasonic level sensor may be used in system. Forward and...

Read More »
Ultrasonic Flow Meter measures flow from outside pipe.
Test & Measurement

Ultrasonic Flow Meter measures flow from outside pipe.

Designed to measure clean liquids like water, oils, and chemicals, PTFM 1.0 Portable Transit Time Flow Meter is suitable for calibrations, troubleshooting, spot checks, and balancing flow. Clamp-on transducers mount on plastic or metal pipes and ultrasonic signals are injected through pipe between sensors. Operating on full pipes with diameters from Â-½–48 in., battery-powered unit...

Read More »
Ultrasonic Flowmeter eliminates downtime and pipe cutting.
Test & Measurement

Ultrasonic Flowmeter eliminates downtime and pipe cutting.

Utilizing clamp-on ultrasonic transducers, TTFM 1.0 Transit Time Flowmeter accurately measures liquids from outside of metal or plastic pipes. Step-by-step setup menu determines sensor mounting configuration and separation distance, whileÂ- digital signal processing ensures ±1.0% accuracy. In addition to displaying flow rate/direction, totalizer, and relay status on backlit LCD,...

Read More »
Pump Station Level Controller features redundant level sensing.
Controls & Controllers

Pump Station Level Controller features redundant level sensing.

Equipped with non-contact ultrasonic sensor, PSL 5.0 is suitable for sewage lift stations, wet wells, and storage tanks. Users can also connect loop-powered pressure sensor for redundant sensing in applications with foam or grease. Controller will continuously recalibrate pressure sensor and automatically switch back and forth from ultrasonic to pressure sensor as required. In addition to...

Read More »

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