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(Electromagnetic)
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»Flow Processors »Pressure Transmitter  


UniMag® Electromagnetic - UniMag
 

EMCO's UniMag Flowmeters come in four varieties:

If you're looking for UniMag product literature:




UniMag DT Overview

UniMag Magnetic Flowmeters are a more cost effective solution for many applications compared to conventional mag technology, because they improve on-site measurement performance and decrease costs associated with maintenance and downtime.

The UniMag DT Magnetic Flowmeter System consists of the patented UniMag Flowtube and the 4411e Transmitter.

UniMag DT Feature Benefit
Totally encapsulated sensor components Insensitive to high pipeline vibration and shock
Linerless flowtube construction Lower initial cost;
Options suitable for vacuum conditions and continuous media velocities > or = to 15 ft/sec;
Eliminates the need for liner protectors
Patented 4411e AC coil excitation
(High coil current & high pulsation frequency)
Time constant of 0.03 seconds for batching and stable process control;
High signal to noise ratio for immunity to media noise (e.g. pulp stock and mining slurries);
Accuracy unaffected by electrode coatings such as sewage grease, calcium carbonate, algae or similar.
Low conductivity media > 0.08 microS/cm
Large conical electrodes, high signal strength Guaranteed to outlast any other magmeter on media that coat piping surfaces (e.g. raw sewage, etc.)
Field replaceable sensor Minimizes downtime due to failures and reduces stocking costs (associated with spare parts)
Inherent redundancy from multiple sensors Output continues if sensor(s) fail with 1% - 3% of rate typical accuracy
Sensor reference coils Output compensated for effects due to ambient/process temperature shifts
Internal grounding electrodes Installation in non-conductive or lined pipe without grounding rings or external straps
Flowtubes manufactured to any length Meets ISO/DIS 13359 for many sizes; Simplifies installation (no spacers or alteration)

USA Patents 5693892, 5708213, 5670724, 5708212, 5852247




UniMag DT Product Literature

The UniMag DT General Specifications are available for download in PDF format. The Adobe Reader is required to open this file.

Download UniMag DT General Specifications
Download the Adobe Reader




UniMag M Overview

EMCO's UniMag M magnetic flow meter system specifically meets the requirements of the water and wastewater industry.

The UniMag M flow tubes require no liner; the fusion bonded epoxy coating used is NSF61 and AWWA C213 approved for drinking water.

The UniMag Magnetic Flowmeter System consists of the patented UniMag Flowtube and the 4411e™ Transmitter.

UniMag M Feature Benefit
Totally encapsulated sensor components Highly insensitive to pipeline vibration, shock, and micro-porosity
Fusion-bonded epoxy flowtube construction Approved by NSF61 and AWWA C213 for drinking water
Eliminates errors due to liner micro-porosity;
Eliminates the need for liner protectors
Patented Pulsed Hybrid coil excitation
(High coil current & high pulsation frequency)
Time constant of 0.03 seconds for batching and stable process control;
High signal to noise ratio for immunity to media noise (e.g. pulp stock and mining slurries);
Accuracy unaffected by electrode coatings such as sewage grease, calcium carbonate, algae or similar.
Low conductivity media > 0.08 microS/cm
Large conical electrodes, high signal strength Suitable for fluids that coat piping surfaces (e.g. raw sewage, etc.)
Field replaceable sensor Minimizes downtime due to failures and reduces stocking costs (associated with spare parts)
Sensor reference coil Output compensated for effects due to ambient/process temperature shifts
Internal grounding electrode Installation in non-conductive or lined pipe without grounding rings or external straps
Flowtubes manufactured to any length Meets ISO/DIS 13359 for many sizes; Simplifies installation (no spacers or alteration)

USA Patents 5 693 892, 5 852 247 and European Patent 2951 1556.4




UniMag M Product Literature

The UniMag M Product General Specifications are available for download in PDF format. The Adobe Reader is required to open this file.

Download UniMag M General Specifications
Download the Adobe Reader




UniMag DP Overview

UniMag DP series flowtubes use a patented Pulsed Hybrid technology which eliminates the large and costly magnetic coils used in conventional magmeters, as well as the need for a flowtube liner. DP series flowtubes are constructed from polyvinylchoride (PVC) to be low cost and lightweight. They are intended for use in plastic pipework in sizes 2” - 12” (50 - 300 mm) Ø. They are not recommended for use in metal pipework.

The UniMag DP Magnetic Flowmeter System consists of the patented UniMag Flowtube and the 4411e transmitter.

All UniMag magmeters offer a uniquely high signal-to-media noise ratio, up to 3x higher than conventional AC, and up to 30x higher than pulsed DC magmeters.

UniMag DP Feature Benefit
Unlined PVC flowtube construction
No flowtube liner required
Lowest cost UniMag flowtube for use with plastic piping systems;
Low process pressures and temperature
UniMag encapsulated sensors Option for 1 or 2 sensors;
Magnetic coils and other sensor components encapsulated within a block of insulating material up to 1 inch thick;
Standard conical electrodes;
Field replacement without hydraulic recalibration;
Reduces costs associated with stocking spare parts;
Functions accurately if one sensor should fail
Patented 4411e AC coil excitation
(High coil current and high exciter frequency)
Fast time constant of 30 milliseconds;
High signal-to-noise ratio for high insensitivity to media noise;
Accuracy unaffected by electrode coatings such as sewage grease, calcium carbonate, algae or similar.
Media conductivity to > 0.08 microS/cm
Internal grounding electrode No grounding rings normally required
Flowtubes available in virtually any length Meets ISO/DIS 13359 for many sizes; Simplifies installation and retrofits

USA Patents 5 693 892, 5 852 247 and European Patent 2951 1556.4




UniMag DP Product Literature

The UniMag DP Product General Specifications are available for download in PDF format. The Adobe Reader is required to open this file.

Download UniMag DP General Specifications
Download the Adobe Reader




UniMag NFP Overview

The UniMag NFP partially filled magnetic flowmeter system is suitable for pipe sizes 6” - 80” (150 - 2000 mm). It consists of a patented UniMag NFP flowtube assembly and remote 4411e transmitter. The flowtube incorporates a removable UniMag mean velocity sensor mounted on the underside of the horizontal flowtube. For diameters 38” (950 mm) and greater two such sensors are used.

A level transducer is embodied in the Unimag NFP flowtube. It is 4-20mA loop powered by the 4411e transmitter. The signal is linearized in the 4411e and multiplied by the mean velocity to obtain volumetric flow.

The level measurement is accomplished by a choice of an FMU ultrasonic level transducer or FMX hydrostatic level transducer. The choice is determined by whether there is convenient access to the top of the NFP flowtube (use FMU ultrasonic) or to the bottom of the NFP flowtube (use FMX hydrostatic.) Type FMU is not available for sizes < 12” (300 mm) Ø.

For partially full existing concrete or similar pipes, where holes cannot be cut in the pipe, please see the ChannelMag PM2.

UniMag NFP Feature Benefit
Totally encapsulated sensor components Insensitive to high pipeline vibration and shock
Option for linerless flowtube construction Lower initial cost;
Eliminates the need for liner protectors
Patented 4411e AC coil excitation
(high coil current & high pulsation frequency)
High signal-to-noise ratio for high insensitivity to media noise.
Accuracy unaffected by electrode coatings such as sewage grease, calcium carbonate, algae or similar.
Field replaceable sensor Minimizes downtime due to failures and reduces stocking costs (associated with spare parts)
Sensor reference coils Output compensated for effects due to magnetic particles (slurries) and ambient/process temperature shifts
Internal grounding electrodes Installation in non-conductive or lined pipe normally without grounding rings or external straps
Flowtubes manufactured to any length Simplifies installation (no spacers or alteration)

US Patents 5693892, 5708213, 5670724, 5708212, 5852247




UniMag NFP Product Literature

The UniMag NFP Product General Specifications are available for download in PDF format. The Adobe Reader is required to open this file.

Download UniMag NFP General Specifications
Download the Adobe Reader



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