Electromagnetic Flow Meters for Liquid Processing

Electromagnetic Flow Meter IZMAG²™ with special measuring tube design

For more than 40 years GEA develops and manufactures flow metering systems. In the process industry, the electromagnetic flow meter has a special position in the flow metering technology.

Accurate and reliable measurement

The metering, control and regulation of flows and volumes are among GEA's core competences. State-of-the art-technology coupled with many years of experience in the field of quantity determination are offered by electromagnetic flow meters, whose variety and flexibility makes them suitable to perform a wide variety of applications within the beverage, dairy, and home and personal care industry.

Volumetric and flow metering is an extremely important measuring technique in food production. Modern, functional technology using the electromagnetic metering principle, coupled with devices with simplified technology and operation, offer the user a whole range of advantages together with a very good cost/benefit ratio. Thanks to their many years of experience in the field of flow metering technology, the experts at GEA have succeeded, with the new generation of IZMAG™ devices, in reconciling the requirement for measuring instruments that are simple to use on the one hand, and complex system components on the other.

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Electromagnetic flow metering ensures accuracy and offers reliability. In the process industry, the electromagnetic flow meter has a special position in the flow metering technology. With the IZM™ family GEA created a product covering all essential applications for the flow or volume metering.

Electromagnetic flow meter type IZMAG™ - completely made from stainless steel

The electromagnetic flow meter type IZMAG™ is suitable for metering both the flow rate and the volume of all kinds of liquids that have a minimum conductivity of 5 µS/cm. The IZMAG™ is completely made from stainless steel and it is anyway equipped with a display unit, immaterial of the device version preferred. A built-in Bluetooth interface even permits a wireless communication with the metering device.

Pulse outputs and an analog output are always available. Actions and processes can be controlled via a digital input. The IZMAG™ can be delivered either in an all-in-one version or with “discrete” signal transmitter and electronics box.

Other features:

The parameters of the flow meter can be set without opening the housing.
Both the “quick-start” function and the language change-over offer a simple and user-friendly parameter setting.
The display can be turned into different directions, always keeping its good readability.
Plain text messages and graphics display of the flow profile are helpful for commissioning.
The automatic change of the measuring range enables measurements even at high flow rates.
The electronics are continuously monitored and if necessary recalibrated by the high-stable “IN-CAL” module.
The integrated empty-pipe detector avoids undefined counting actions in case of empty pipelines.
At a suddenly caused vacuum, the liner will keep stable even at high temperatures.
A bidirectional flow measurement is possible.

For detailed information please refer to our brochure "Metering with a new precision: the IZMAG™"

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Electromagnetic flow meter type IZMAG²™ - Vacuum-tight, temperature-stable and resistant to hot steam

Combined with the evaluating electronics of the IZM-SE™ or IZM-TE™ series, the electromagnetic flow meter, type IZMAG²™, with its special measuring tube design is suitable for custody transfer measurements according to its official approval. The IZMAG²™ measuring tube has been designed specifically to do without any inlet and/or outlet pipe sections. This means for the user that space is saved while the effectiveness is still increased at a measuring accuracy of +/-0.2%.

Among other tasks, IZMAG²™ is ideally suited for use on vehicles according to DIN40839.

Vacuum resistance is reached by mechanical anchoring of the synthetic material to a stainless steel lattice. The sensitivity to water vapor that is typical for coated liners and the susceptibility to high cleaning temperatures (>80°C) are not an issue for IZMAG²™.

The IZMAG²™ is available both in compact and separated design.

Technical features of the IZMAG²™

No or only small (for custody transfer applications) inlet and outlet sections required
Suitable for the use on vehicles according to DIN40839 and OIML Doc. 11/A1.4.X
Special design, appropriate for custody transfer applications (option) according to OIML (PTB) and Evaluation Certificate (NMI) for the use within MID-approved systems
Vacuum-tight as well as temperature-stable and resistant to hot steam
Compact and separated design possible
Different process connections can be used due to the adapter technology

With the IZM™ family GEA created a product covering all essential applications for the flow or volume metering. GEA's product range in the field of electromagnetic flow meters offers you various possibilities.

Flexibile standard device with official approval - the flow meter type IZM-S™

The version IZM-S™ is available in compact and separated design and can be supplied with an integrated display. The measurable range for the flow velocity ranges from 0.03 up to 10 m/s.

With typical nominal widths of DN10 .... DN150 a flow range between 10 l/h and 1,000 m³/h can be achieved.

The electromagnetic flow meter IZM-S™ is also available as officially approved version.

Technical features of the IZM-S™:

Electromagnetic volume metering with easy operation
2 resettable quantity counters and 1 totalizer
Automatic adaption of the measuring range enables wide flow rate dynamics
Officially approved version
Special functions due to 4 digital inputs and outputs and 1 analog output as well as the start and stop button on the keyboard
Different pulse samples for redundant signal exchange possible
Suitable for operation on road tankers with 12 V and 24 V battery supply
The calibration data storage „MEMbox“ enables an easy exchange
All typical process connections (DIN flange, clamp, milk pipe fitting, etc.) are available

The electromagnetic flow meter type IZM-S™ is available with a variety of transmitters and converters and either in integrated or separated version.

Not the meter alone but the completely Weights & Measures and Customs approved monitoring and control technology allow the application of volume metering for the official trade use.

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Temperature measurement and printing facility - the flow meter type IZM-T™

GEA's electromagnetic flow meters type IZM™ are suitable for the measurement of all liquids with a minimum conductivity of 5 µS/cm.

Usually, the unit IZM-T™ is used in separated design with integrated display.

The electromagnetic flow meter type IZM-T™ is also available as officially approved version and can print an official voucher.

Techncial features of the IZM-T™

Electromagnetic volume metering with easy operation
Officially approved version
Temperature measurement via external Pt100
Volume calculation related to reference temperature possible
Printer connection of type RS232 existing
Print with date/time and additional text possible, also approved as official voucher
Suitable for operation on road tankers with 12 V and 24 V battery supply
2 resettable quantity counters and 1 totalizer
Automatic adaption of the measuring range enables wide flow rate dynamics
The calibration data storage „MEMbox“ enables an easy exchange
All typical process connections (DIN flange, clamp, milk pipe fitting, etc.) are available

From its longtime experience in the process technology GEA knows the practical demands of metering systems very well. That is the reason why we can offer more but a simple device!

Not the meter alone but the completely Weights & Measures and Customs approved monitoring and control technology allow the application of volume metering for the official trade use.

The available functions of the electromagnetic flow meter type IZM-T™ comply with the requirements for an official metering system, in many cases.

Quantity preselection and filling control, on demand Weights & Measures approved

Quantity Preselection Type IZM-SV™ and IZM-TV™, also officially approved

With solid, technically matured technology and longtime practical experience GEA stands as a reliable partner in the field of flow metering of liquids for most various applications. Not only the single device but also the problem solving for the customer is GEA's focus. That way, niche applications arose in the last decades, which partly found a place in the standard products or which simply created a new application profile.

GEA's electromagnetic flow meters type IZM are suitable for the measurement of all liquids with a minimum conductivity of 5 µS/cm.

In addition to the flow and volume metering, the meters are able to dose quantities or to start and stop automatically fillings by activating a valve or the pump.

The following types for quantity dosing are available as standard:

Type IZM-SV™ Standard device for transfilling applications
Type IZM-TV™ Control of the product delivery systems with possible voucher print-out

Technical features of the IZM-SV™ & IZM-TV™

Delivery of liquids such as beer, milk, urea etc. to the consumer
Also available with official approval
Weights & Measures approved versions
Dosing applications for batch processes
Easy tank transfillings
Mobile design for flexible use

All measuring and controlling units can be installed on a mobile frame.

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Optimized filling control: GEA flow meter type IZM-MV™ and ZEVODAT-F™

In addition to the flow and volume metering, the meters are able to control filling processes automatically or semi-automatically.

The exact measurement of the product is the basis for the filling, but only the intelligent, self-learning valve control ensures the desired filling result.

The inputs and outputs in the metering device cover additional control functions, e.g. selection of the packing drum size, emptying signal etc.

Technical features of the IZM-MV™ & ZEVODAT-F™

Filling of different packing drums such as bags, beakers, kegs etc. in round or longitudinal fillers
Weights & Measures approved design
Central remote indicator ZEVODAT-F, also officially approved
Data base with packing drum statistics for each filling point available
Transfer of the data to a PC or via PROFIBUS

GEA also provides you with additional equipment for filling machines, e.g. the product tank!

Calibration: GEA flow meter with calibration function, type DI-MASTER™

Calibration By Means Of Reference Meter and Calibration Function Type DI-MASTER™

GEA's electromagnetic flow meters type IZM are suitable for the measurement of all liquids with a minimum conductivity of 5 µS/cm.

The typical measuring tolerance of the device IZM-S™ is at +/- 0.25%. In order to calibrate the flow meter directly in the process with a master meter, an accuracy of at least +/- 0.1% is required. A special software and calibration complies with this demand.

For 5 flow rates, this device configuration offers a compensation of the electromagnetic flow meter IZM-S™ to a deviation 'zero'!

Technical features of the DI-MASTER™

Measuring accuracy of +/- 0,1 %
It is not necessary to disassemble the meter to be checked, i.e. low checking expenditure
Measurement "in motion" during the running production
Automatic calibration is possible
Documentation by means of printer or data base on a PC

Rotary piston meters, turbine meters, electromagnetic flow meters etc. can equally by checked. Several "master meters" on a mobile frame can cover the whole flow range of a company.