Product Description

ABB 3.3564.293 TUNOS 3.3564.293​is a high-precision electromagnetic flowmeter​from ABB’s TUNOS product line.Designed for accurate and reliable volumetric flow measurement of conductive liquids,it combines a robust sensor with an intelligent transmitter,making it ideal for demanding industrial applications in water,wastewater,chemical,and process industries.

Application Scenarios

At a large municipal wastewater treatment plant,accurate chemical dosing for phosphorus removal is critical for environmental compliance and cost control.The dosing pumps were controlled based on the main effluent flow rate,but the existing mechanical flowmeter in the large concrete channel was prone to clogging with debris and required frequent,hazardous cleaning dives.The plant engineers replaced it with an ABB 3.3564.293 TUNOS 3.3564.293​electromagnetic flowmeter.Its full-bore,obstruction-less design meant rags and solids passed through without affecting measurement.The sensor’s robust,chemically resistant liner and durable electrodes withstood the aggressive wastewater.Most importantly,the TUNOS 3.3564.293​transmitter provided a stable,accurate 4-20mA signal proportional to flow,enabling precise closed-loop control of the chemical feed pumps.For the plant manager,this translated to consistent effluent quality,a 15%reduction in chemical usage,and the elimination of high-risk maintenance dives,ensuring both regulatory compliance and operational safety.

Parameter

Main Parameters

Value/Description

Product Model​

TUNOS 3.3564.293​

Manufacturer Code​

3.3564.293​

Manufacturer​

ABB

Product Category​

Electromagnetic Flowmeter(Sensor&Transmitter)

Measurement Principle​

Faraday’s Law of Electromagnetic Induction

Line Size(Typical)​

Various sizes available(e.g.,DN25 to DN1200)

Flow Velocity Range​

0.1 to 10 m/s(typical)

Accuracy​

±0.5%of rate or better(depending on calibration)

Output Signals​

4-20 mA,Pulse,HART,PROFIBUS PA/DP(options)

Process Connection​

Flanged,wafer,or hygienic clamp

Liner Material​

PTFE,PFA,Polyurethane,Hard Rubber

Electrode Material​

Stainless Steel 316L,Hastelloy C,Platinum-Iridium

Pressure Rating​

PN10,PN16,PN40,or ASME Class 150/300

Power Supply​

24 V DC,110/230 V AC(depending on version)

Protection Rating​

IP67,IP68(sensor);IP65/NEMA 4X(transmitter)

Ambient Temperature​

-20°C to+60°C(transmitter)

Technical Principles and Innovative Values

The ABB 3.3564.293 TUNOS 3.3564.293​exemplifies advanced electromagnetic flow measurement technology,offering exceptional accuracy,reliability,and versatility through several key innovations.

Innovation Point 1:Advanced Signal Processing for Unmatched Stability

At the heart of the TUNOS 3.3564.293​is a sophisticated digital signal processor within its transmitter.It employs adaptive signal filtering and noise cancellation algorithms​that actively distinguish the tiny flow-induced millivolt signal from electrical noise commonly found in industrial environments(e.g.,from variable speed drives or power lines).This results in a remarkably stable and accurate flow reading,even at very low flow rates or in challenging fluid conditions(e.g.,slurries,low conductivity liquids),where other meters might fail or produce erratic outputs.This ensures reliable data for billing,batching,or precise process control.

Innovation Point 2:Robust,Application-Optimized Sensor Design

The sensor is engineered for longevity.It features a choice of premium liner and electrode materials​(like PFA or Polyurethane liners,Hastelloy C electrodes)to withstand corrosive,abrasive,or sticky fluids.The coil excitation system​is optimized for low power consumption while generating a strong,stable magnetic field.Some variants may feature empty pipe detection,preventing erroneous readings if the pipe runs dry,and electrode cleaning functions​(via capacitance or ultrasonic methods)to maintain accuracy in fouling applications.This focus on durable,application-specific construction minimizes lifetime cost of ownership.

Innovation Point 3:Intelligent Diagnostics and Easy Integration

The transmitter is a hub of intelligence.It provides comprehensive self-diagnostic and process diagnostic functions.It can monitor electrode coating,coil integrity,and process noise levels,alerting maintenance personnel to potential issues before they affect measurement.With support for digital protocols like HART​or PROFIBUS PA,the 3.3564.293​seamlessly integrates into modern control systems,enabling remote configuration,calibration verification,and access to multiple process variables(flow rate,totalizer,diagnostics)from the control room.This facilitates predictive maintenance and simplifies asset management.

Application Cases and Industry Value

Case Study:Chemical Injection Control in Offshore Oil Production

An offshore platform needed to accurately measure and control the injection of a costly,viscous corrosion inhibitor into multiple high-pressure production flow lines.The fluid was non-Newtonian,electrically conductive,and operated in a high-vibration,hazardous area.Mechanical meters wore out quickly,and ultrasonic meters struggled with the fluid’s acoustic properties.

The solution was the installation of ABB 3.3564.293 TUNOS 3.3564.293​flowmeters on each injection skid.Key to the selection was the meter’s ability to handle the fluid’s viscosity without moving parts,its high-pressure rating,and its ATEX/IECEx certification for the hazardous zone.The meters were configured with a PFA liner for chemical resistance and special electrode geometry to handle the fluid characteristics.

The deployment yielded significant value:​1.Unprecedented Accuracy and Repeatability:​The TUNOS​meters provided±0.5%accuracy,enabling precise”per-barrel”dosing,optimizing chemical use,and saving over$250,000 annually in inhibitor costs.2.Extreme Reliability:​After two years of continuous service in the harsh offshore environment,the meters showed zero drift and required no maintenance,eliminating unplanned shutdowns for meter replacement.3.Enhanced Safety&Monitoring:​The integrated diagnostics provided early warning of potential issues,and the robust construction eliminated leakage risks.The platform’s process engineer stated,”The ABB TUNOS 3.3564.293​meters gave us the reliable data we desperately needed for this critical injection process.Their accuracy paid for the investment within months,and their toughness gives us complete confidence in our custody transfer and process safety.”

Related Product Combination Solutions

The TUNOS 3.3564.293​is part of a complete flow measurement solution.Key associated products include:

ABB ProcessMaster/WaterMaster Transmitters:​Higher-tier ABB electromagnetic flowmeter transmitters with advanced functionality for more complex applications.

ABB Signal Converter/Isolator:​For converting the flow signal(4-20mA,HART)to other protocols or providing galvanic isolation in electrically noisy plants.

Flow Conditioner/Straight Run Pipe:​Upstream and downstream straight piping(as per manual)to ensure a developed flow profile for optimal meter accuracy.

Gaskets and Bolts:​Correct,pressure-rated gaskets and bolts for the specific flange standard and process conditions.

Impulse Tubing&Junction Box:​For safe wiring from the hazardous area transmitter to the safe area control system(in classified areas).

ABB Asset Vision Basic or Device Care Manager:​ABB’s device management software for centralized configuration,monitoring,and diagnostic assessment of the TUNOS​meter and other field instruments.

Calibration/Verification Equipment:​Portable calibrators(for mA/HART)or reference flow provers for on-site accuracy verification.

Installation,Maintenance,and Full-Cycle Support

Correct installation is paramount for the ABB 3.3564.293 TUNOS 3.3564.293​to perform to specification.The sensor must be installed in a fully flooded section of pipe,typically with a horizontal orientation preferred.It requires sufficient upstream and downstream straight pipe runs​(typically 5D upstream,2D downstream)to ensure a symmetrical,swirl-free flow profile.Proper grounding​of the sensor and the process fluid is critical to provide a reference potential for the measured signal and to protect against lightning/surge damage.The transmitter should be mounted in an accessible location,with wiring conducted according to the manual and relevant electrical codes.

Routine maintenance is minimal due to the meter’s obstruction-less design.Primary tasks include periodic visual inspection​of the sensor and transmitter,verification of zero point​(with the pipe full but no flow),and checking electrical connections.The integrated diagnostics should be reviewed regularly via the local display or device management software.Should the meter require service,ABB’s modular design often allows for transmitter replacement without removing the sensor from the line.

We supply 100%genuine,factory-new ABB 3.3564.293 TUNOS 3.3564.293​flowmeters.Each unit is sourced through authorized ABB channels to ensure authenticity,correct certification,and access to firmware/software support.We provide technical assistance for model selection based on your application data(fluid,pressure,temperature,pipe size).For commissioning,calibration,and complex troubleshooting,we recommend utilizing ABB’s global service network.Investing in a genuine ABB TUNOS meter,installed and maintained correctly,guarantees long-term,reliable,and accurate flow measurement for your critical processes

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