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Liquid Flow Monitoring In Full Pipes

Pulsar Flow Pulse Sensor

Flow Pulse®

FlowPulse is a non-invasive flow sensor that clamps to the outside of a pipe and is simply secured with a screwdriver. The sensor uses a novel spread spectrum analysis technique, which incorporates a Digital Signal Processing approach that gives exceptional repeatability. FlowPulse fires ultrasound through a variety of pipe walls (rigid plastic, stainless steel, cast iron, and even corrugated pipes) at 90 degrees to the flow via a tangentially mounted high-output ceramic, it is then refracted at angles across the axis of the flow and is then reflected from bubbles, particles, and vortices in all directions at a wide range of frequencies – which is why the ideal application for this product is within dirty/contaminated flow.

The sensor provides a significant cost saving as opposed to other flow meters as there is no need to break into the pipe, involve civil engineers, or interrupt the service. The digital platform used with FlowPulse offers robust performance in the repeatability of measurement, as well as the flexibility to adapt to application requirements, features such as damping, and response time can easily be customized to suit.

The sensor can operate as a stand-alone device, requiring 18-28 V DC – if used as a stand-alone device, FlowPulse will require programming via software and lead provided. You can optionally combine this sensor with a dedicated wall-mounted device providing alarm or control relays. For fully portable flow readings, you can combine this sensor with the FlowPulse HandHeld controller for an instant indication of flow. For pump monitoring and/or efficiency indication, combine FlowPulse with a pump controller from the Pulsar Pump Control range for a full range of comprehensive pump control routines.
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Pulsar Portable Flow Monitoring Flow Pulse Handheld Controller

Flow Pulse Handheld Controller

FlowPulse HandHeld controller is an optional mobile controller that provides portable flow monitoring when combined with the FlowPulse Sensor, offering a toolset that allows programming, monitoring, and data acquisition. The unit connects to pre-installed FlowPulse sensors or operates as a self-contained kit, with instant feedback via its color screen.

The controller allows the operator to view traces and recorded data files, as well as loading and saving parameter files. Over 3 GB of on-board memory provides storage for nearly a year’s worth of data (around 120 days with traces) at 10-second recording intervals. The sleep/wake-up function allows for extended logging, with data able to be downloaded via USB to Pulsar FlowPulse PC Software and .csv file for further analysis.

The FlowPulse HandHeld is available as a stand-alone unit to use with existing FlowPulse sensors or can be purchased as a complete kit with FlowPulse and a convenient carry case, complete with mains or battery operation, with an in-car charger. 
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Pulsar Flow Monitor for Pipe Flow Measurement

Fixed Installation Flow Monitoring

Flow Monitor is a dedicated wall-mounted device that is for use with Pulsar’s FlowPulse flow sensor, in fixed or permanent installations. The Flow Monitor can be either AC or DC supplied, providing the power and interface for the FlowPulse via a 4-core cable. The Flow Monitor expands the capability of FlowPulse, providing two relays that can be programmed as an alarm (relay 1) or control (relay 2) for flow or velocity. Alternatively, either relay can be programmed as a totalizer.

The monitor also provides an mA output and onboard logging, including a daily total, giving you more control over your process system – typical capacity for the monitor is 36 days flow logging at 1-minute intervals (using optional logging software). The convenient backlit LCD display gives a clear indication of flow rate and flow velocity and is menu-programmable via a set of function keys. 
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Pulsar Gleyline DFM 6.1

Pulsar Greyline DFM 6.1

Doppler Flow Meter
The Greyline DFM 6.1 is designed to measure flow from outside a pipe for "difficult liquids" that would damage regular flow meters - wastewater, slurries, sludge, chemicals, viscous liquids, and abrasives. There is no obstruction to flow and no pressure drop. The non-intrusive, clamp-on ultrasonic sensor fits any pipe 12.5 mm (0.5 in) inside diameter or larger. The Greyline DFM 6.1 features enhanced performance in a wide range of applications. Improved industrial noise immunity filters potential interference sources.

Use the isolated 4-20mA output to transmit flow to remote displays, recorders, or controllers. The programmable relays can be used for flow control, pump protection, or flow proportionate pulse. A 128 MB data logger is standard, capable of capturing up to 26 million data points.
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Pulsar Greyline Transit Time Flow Meter

Pulsar Greyline TTFM 6.1

Transit Time Flow Meter
Accurately measure the flow rate of relatively clean, non-aerated liquids in full pipes. The Greyline TTFM 6.1 Transit Time Flow Meter works on a wide range of pipe sizes and materials including carbon steel, stainless steel, ductile iron, concrete-lined ductile iron, cast iron, PVC, PVDF, fiberglass, copper, brass, aluminum, and pipes with bonded liners including epoxy, rubber, and Teflon. Ultrasonic transducers mount on the outside of a pipe without shutting down flow.

The Greyline TTFM 6.1 operates by measuring the “transit time” or “time of flight” for ultrasonic sound pulses transmitted from one transducer to another. Depending on the mounting configuration, the signal may cross the pipe once, twice, or four times. To measure flow the transit time is compared between ultrasonic signals traveling upstream and downstream.
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Pulsar Greyline SFM 6.1

Pulsar Greyline SFM 6.1

Ultrasonic Slurry Flow Meter
The Greyline SFM 6.1 Ultrasonic Slurry Flow Meter was specifically developed for the slurry applications found in today’s industrial facilities. The Greyline SFM 6.1 non-contacting flow monitoring is specifically designed for limestone slurry, fly ash slurry, gypsum slurry, and many others.

There is no need to shut down your flow or cut into the pipe. The Greyline SFM 6.1 clamp-on ultrasonic sensor mounts on the outside of a variety of pipe materials 12.7 mm (0.5 in) in diameter or larger. The Greyline SFM 6.1 sends an ultrasonic signal into the pipe and measures acoustic reflections off solids and gas bubbles suspended in the slurry. It takes just a few minutes to install. There is no need to shut down the flow.
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Solids Flow Monitoring / Process Protection

Pulsar Guard 2010

The PulsarGuard acoustic sensor range offers reliable solids flow detection, it detects structure-borne acoustic signals caused by the movement of material. This movement then causes impacts and frictional contact within a containment (e.g. the inside of a pipe). The sensor detects and reacts instantly to changes in solids flow and warns of blockages and foreign object detection, high flow, low flow, or no-flow conditions.

The PulsarGuard series are non-contacting, so they are fastened to the outside of the structure, meaning minimal installation costs and zero shut downtime. The compact design of the sensor means that it can be fitted in the tightest of positions or environments. The high-frequency detection of the PulsarGuard picks up signals that are often undetectable to the human ear and allows the sensor to be used in environments where there is a high degree of machinery or process noise without interference.


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