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 New  Products and Information from Greyline...

Visit Greyline Instruments at the annual WEFTEC exhibition Visit Greyline in booth #3804 at the Water Environment Federation 88th Annual Technical Exhibition & Conference Sept 28-30, 2015 at McCormick Place in Chicago, Illinois. Our full range of flow and level instruments will be on display.
Non-Contacting Solution for Dredging Industry  New Case Study
Non-Contacting Flow Solution for Dredging Slurry

Flow measurement on dredges is critical for efficient operation but the operating conditions are harsh and dredging slurries are highly abrasive. Cornerstone Industries of Otley, Iowa found Greyline DFM 5.1 Doppler Flow Meters... 
New - MantaRay Portable Area-Velocity Flow Meter New - MantaRay Portable Area-Velocity Flow Meter
With flow rate display, totalizer, relays and 4-20mA output

Designed for flow monitoring in open channels, partially full sewer pipes and surcharged pipes. The new battery-powered MantaRay is ideal for stormwater, sewage, irrigation water and natural streams.
Acidic Flow Solution for Minera Escondida New Case Study
Non-Contacting Flow Solution for Heap Leach Mining

Minera Escondida, 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...
PDFM 5.1 Portable Doppler Flow Meter New - PDFM 5.1 Portable Doppler Flow Meter

Use the PDFM 5.1 for incredibly fast, easy flow measurement of dirty or aerated liquids in full pipes. The clamp-on Doppler sensor works on metal or plastic pipes. Advanced digital signal processing provides accurate flow measurement and data logging.
New! Stingray 2.0 Level-Velocity Logger New - Stingray 2.0 Level-Velocity Logger
Portable, battery-powered with USB output

With amazing battery life the new Stingray 2.0 is designed for flow surveys in open channels and partially filled pipes. Operates with standard Alkaline batteries for stormwater, combined effluent, raw sewage, irrigation water and stream flow.
New DFM 5.1 Doppler Flow Meter Accurately Measure Flow From Outside a Pipe
New - DFM 5.1 Doppler Flow Meter

With all new Digital Signal Processing the DFM 5.1 Doppler Flow Meter works with impressive accuracy on dirty or aerated liquids in full pipes.
New! PZ56 Ultrasonic Level Transducer New - Non-Contacting Level Transducer
Greyline PZ56 Ultrasonic Level Sensor

Rated for up to 50 ft/15.25 m measurement range this new sensor is available with select Greyline level models. With its narrow 6° beam angle and excellent performance in moist environments, the new PZ56 is ideal for large tanks and wet wells.
New DFS 5.1 Doppler Flow Switch New - Doppler Flow Switch
Greyline DFS 5.1 Doppler Flow Switch

Control flow from outside a pipe. Mount the clamp-on ultrasonic sensor on metal or plastic pipes for Hi/Lo flow rate alarms or pump protection. LED bargraph displays flow rate.
New AVMS 5.1 Multi-Sensor Area-Velocity Flow Meter New - Area-Velocity Flow Meter for Large Channels
Greyline AVMS 5.1 Multi-Sensor Area-Velocity Flow Meter

Arrange ultrasonic sensors across the width of large channels or culverts to accurately measure the average velocity, level and flow rate.
Non-Incendive Transducers New - Non-Incendive Certification for Hazardous Locations
Greyline TTFM 1.0 Transit Time Flowmeter

Install SE16B ultrasonic transducers in Class I, Division 2, Groups A, B, C & D locations - without Intrinsic Safety Barriers.
Clamp-on Doppler Flowmeter Sensors solve plugging off problems for crude oil New Case Study
Greyline DFM 5.0 Doppler Flow Meter for Crude Oil

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

Chapter 36 from the Wiley & Sons publication: Environmental Instrumentation and Analysis Handbook. This is an informative summary of applications and level instrumentation used in Wastewater Treatment Plants.
New! PSL 5.0 Hybrid Pump Station Level Controller New Hybrid Model with Redundant Level Sensing!
PSL 5.0  Pump Station Level Controller

Monitor and control up to 6 pumps in sewage pump stations, wet wells and tanks. The new PSL 5.0 works with a non-contacting ultrasonic sensor and includes a NEW dual-technology sensor feature where you can connect a submersible pressure sensor or other 4-20mA level transmitter for fail-safe hybrid sensing.
Greyline TTFM 1.0 for Golf Course Irrigation New Case Study
Greyline TTFM 1.0 Flow Meter for Golf Course Irrigation

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.
Greyline TTFM 1.0 Transit Time Flowmeter Transducer Mounting New Video!
TTFM 1.0 Transducer Mounting

Watch this video demonstration of transducer installation on a PVC pipe. Stainless steel mounting brackets, clamps and coupling compound used in the video are supplied with each TTFM 1.0 Ultrasonic Transit Time Flowmeter.
New Video! Greyline's Easy Calibration System New Video!
Greyline's Easy Menu System

Greyline's user-friendly menu system makes it easy to calibrate flow and level meters. This example shows a DFM 5.0 Doppler Flow Meter being programmed for an 8" pipe. It takes a little over one minute.
New TTFM 1.0 Transit Time Ultrasonic Flowmeter New Model!
TTFM 1.0  Transit Time Ultrasonic Flowmeter

Accurately measure flow of clean liquids like water, oils and chemicals. The new TTFM 1.0 displays, totalizes, transmits and controls with clamp-on ultrasonic transducers mounted on the outside of metal or plastic pipes.
Two Greyline Ultrasonic Flowmeter Technologies New White Paper
Two Technologies for Flow Measurement
from Outside a Pipe

Doppler and Transit Time flowmeters both use clamp-on transducers. These ultrasonic technologies are compared and explained.
Greyline Area-Velocity Flowmeters in Denmark New Case Study
Greyline Area-Velocity Flowmeters in Denmark

Greyline AVFM Area-Velocity Flow Meters are deployed throughout Denmark for municipal stormwater and sewer flow monitoring in open channels and pipes.
Greyline Area-Velocity Flowmeter for Quarry Dewatering New Case Study
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.
New! OCF 5.0 Open Channel Flow Monitor New Model!
OCF 5.0 Open Channel Flow Monitor

Measure wastewater flow through flumes and weirs with the new OCF 5.0. Its non-contacting ultrasonic sensor mounts above the water to measure flow with ±0.25% accuracy. The OCF 5.0 displays, totalizes, transmits, data logs and generates daily flow reports automatically.
New SLT5.0 Level & Flow Monitor New Model!
SLT 5.0 Level & Flow Monitor

Monitor level in tanks and pump stations, or measure open channel flow through flumes and weirs. The new SLT 5.0 works with a non-contacting ultrasonic sensor to display, transmit and control level with high accuracy.
New AVFM 5.0 Area-Velocity Flow Meter New Model!
AVFM 5.0 Area-Velocity Flow Meter

Measure flow in open channels and partially filled pipes without a flume or weir. The AVFM 5.0 is designed for wastewater, irrigation water and stream flow applications. With a sealed ultrasonic sensor it works in channels of any shape and measures forward and reverse flow.
Greyline DFM 5.0 Non-Contacting Flowmeter for Abrasive Applications NEW Application Note
DFM 5.0 Doppler Flow Meter
for Frac Sand Slurry Flow Monitoring

CanFrac Sands Ltd. of Lloydmister, Saskatchewan install a Greyline DFM 5.0 Doppler Flow Meter to measure fracturing sand slurry when their in-line flowmeters were being damaged by the  abrasive slurry.
New DLT 2.0 Differential Level Transmitter New Model!
DLT 2.0 Differential Level Transmitter

Reduce costs and simplify instrumentation at treatment plant headworks. With a barscreen upstream from a flume, the DLT 2.0 can measure both differential level and flow through the flume with two non-contacting ultrasonic sensors and one electronics enclosure.
Greyline SLT32 Level Monitor for Water Tanks NEW Application Note
SLT32 Ultrasonic Level Monitor
for Water Bottling Plant Level Control

Culligan Water installs Greyline SLT32 Level Monitors to control tank levels in their bottling plant in Calgary, Alberta. With non-contacting ultrasonic sensors the SLT32's control fill and discharge valves in five tanks containing spring water, reverse osmosis water and distilled water.
Greyline AVFM 5.0 Sensor Mounting in an open pipe NEW Application Note
AVFM 5.0  Monitors Sewage Lagoon Discharge Flow

The Township of South Glengarry installs a new Greyline AVFM 5.0 to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12" PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.

NEW FEATURE - Install a 2-million point Data Logger
in an existing Greyline 5.0 Flow or Level Instrument

It's easy to add a data logger to Greyline flow or level instruments that are already in service. New 5.0 models auto-detect hardware changes so you simply plug-in the logger circuit board. When the instrument powers up, data logger settings automatically appear in the calibration menu. Greyline data loggers also download directly to USB flash drives - so you don't need to carry a laptop to the instrument to retrieve logger files.
NEW USB Download to Flash Drives
Fast, Easy Data Log File Download

Leave your lap laptop behind! Just plug any USB Memory Stick into the connector of any Greyline model with USB flash output. The download runs automatically. Open the logger file later on your PC with Greyline Logger software.

Watch this video and see how fast and easy it is.

New Models!
PT400 Portable Transit Time Flowmeter
for select pipe size range
PT500 Portable Transit Time Flowmeter
for a wide range of pipe sizes and with built-in Data Logger

Portable ultrasonic flowmeters designed to measure flow of clean fluids from outside the pipe. Ideal for water, lubrication oils, and clean chemicals. Set-up is easy with the Portaflow's "Quick Start" calibration menu. Flow rate and totals are displayed on the large LCD screen. Includes 4-20mA and pulse outputs.
Case Study - Water Accountability
Portable Monitoring Instruments Solve Flow Rate Mystery

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 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow...  Read more...
NEW Model!
DFM 5.0  Doppler Flow Meter

Non-contacting ultrasonic sensor mounts on metal or plastic pipes ½" ID or larger. Ideal for “difficult” liquids like wastewater, sludge, slurries, abrasives or any liquid with bubbles or suspended solids. Includes a large, backlit flow rate display, totalizer, isolated 4-20mA output and 2 control relays. Options include a built-in data logger and extra control relays.
New PZ34 Ultrasonic Sensor NEW Sensor for the
PSL  Pump Station Level Controller

The PSL now includes Greyline's new PZ34 ultrasonic sensor as a standard feature. This sensor model is rated for 32 ft. / 10 m measurement range with an overall beam angle of 8°. It is designed for continuous operation in the challenging conditions of a sewage pump station: condensate, turbulence, obstructions, etc. The PZ34 is rated Intrinsically Safe with an optional Intrinsic Safety Barrier.

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Information in this document is subject to change without notice.