Yokogawa ADMAG AXG Electromagnetic Flowmeter
Overview
The Yokogawa ADMAG AXG is a high-accuracy electromagnetic flowmeter engineered for the toughest industrial process lines, from abrasive slurries to corrosive chemical streams. Built on Yokogawa’s proprietary dual-frequency excitation method, the Yokogawa ADMAG AXG delivers stable, repeatable flow measurement even under high flow noise conditions such as aluminum slurries, pulp stock, and mining tailings, while its Total Insight (TI) platform adds built-in verification and adhesion-level diagnostics that reduce total cost of ownership across the meter’s service life.
As the official authorized partner and exclusive regional representative for Yokogawa, Seven Star LLC proudly supplies the ADMAG AXG to process plants, refineries, and water utilities throughout the Sultanate of Oman and the wider GCC. Every unit is backed by full manufacturer warranty, calibration support, and the regional stock availability that facility engineers and procurement teams need to keep critical flow loops running without costly import delays.
Measurement Principle
The Yokogawa ADMAG AXG operates on Faraday’s law of electromagnetic induction: a magnetic field is applied across the flow tube, and as conductive liquid passes through it, a voltage proportional to the flow velocity is induced and picked up by a pair of electrodes. Because the ADMAG AXG uses dual-frequency excitation, combining traditional high- and low-frequency signals, it maintains a fast, stable response even when the process line carries entrained gas, slurry noise, or fluctuating conductivity, conditions that degrade single-frequency magmeters.
The practical consequence of this principle is a flowmeter with no moving parts to wear or clog, zero pressure drop across the measuring section, and no risk of process medium contamination from mechanical components. The Yokogawa ADMAG AXG requires only that the fluid be electrically conductive, making it the natural choice wherever mechanical meters would suffer premature failure from abrasion or fouling.
Engineering Design of the Yokogawa ADMAG AXG
The Yokogawa ADMAG AXG flow sensor is available in diameters from 2.5 mm to 500 mm (0.1 in to 20 in), with a choice of ceramic or PFA liner to match the chemical compatibility and abrasion resistance the application demands. A submersible version is available from 15 to 500 mm and a hygienic version from 15 to 125 mm, giving specifiers flexibility across process, water, and sanitary duty. The remote or integral transmitter housing is rated for explosion-proof service (FM, ATEX, IECEx) up to 400 mm bore, with certification to SIL2 in simplex configuration and SIL3 in redundant configuration per IEC 61508.
Onboard diagnostics continuously monitor electrode adhesion, low-conductivity conditions, gas bubble entrainment, and slurry noise, logging up to four process variables to a removable micro SD card for offline trend analysis. Communication options include 4-20 mA with HART, pulse and status I/O, and EtherNet/IP connectivity on the ADMAG TI variant, allowing the Yokogawa ADMAG AXG to integrate directly into modern plant control and asset-management architectures such as Yokogawa FieldMate.
Key Features
The Yokogawa ADMAG AXG combines measurement accuracy with diagnostic intelligence that keeps maintenance planned rather than reactive:
- Dual-frequency excitation delivers stable flow measurement even in high-noise slurry and aerated flow applications.
- High-accuracy mode achieves ±0.15% of rate across the 25 to 200 mm size range, with standard accuracy of ±0.3% across the full range.
- Diameter range of 2.5 mm to 500 mm covers everything from lab-scale dosing lines to large-bore plant headers.
- Built-in verification and enhanced verification modes confirm meter health to within ±2% of factory accuracy without removing the meter from service.
- Application diagnostics detect gas bubbles, electrode corrosion, low conductivity, and slurry noise before they cause measurement errors.
- SIL2 (simplex) and SIL3 (redundant) certification to IEC 61508 supports use in safety instrumented systems.
- NSF-61 approval qualifies the ADMAG AXG for potable and drinking water applications.
- Explosion-proof and submersible housing options extend deployment into hazardous and flooded-vault installations.
Industrial Applications
The Yokogawa ADMAG AXG is widely deployed across oil and gas processing, chemical manufacturing, pulp and paper, metal and mining, and water and wastewater treatment, wherever conductive liquids must be measured with confidence despite challenging process noise. In Oman’s petrochemical and refining complexes, the ADMAG AXG’s dual-frequency excitation is particularly valued on produced-water and slurry transfer lines where lesser magmeters struggle to hold calibration.
As the officially authorized partner for Yokogawa, Seven Star LLC distributes the ADMAG AXG to desalination plants, district cooling networks, and industrial water treatment facilities across Muscat, the Sohar and Salalah economic zones, and the broader GCC. Its NSF-61 certification makes it a natural fit for municipal drinking-water metering, while its SIL-rated safety configuration supports critical custody-transfer and safety-instrumented duty in refineries and chemical plants across the region.
Technical Specifications
The table below summarizes the core specifications of the Yokogawa ADMAG AXG magnetic flowmeter; compatible sizes and liner materials are listed alongside standard performance figures.
| Parameter | Specification |
|---|---|
| Model | Yokogawa ADMAG AXG (ADMAG TI Series) |
| Measuring Principle | Electromagnetic (Faraday’s Law), dual-frequency excitation |
| Nominal Diameter | 2.5 to 500 mm (0.1 in to 20 in) |
| Liner Materials | Ceramic, PFA |
| Accuracy | ±0.3% of rate standard; ±0.15% of rate high-accuracy mode (25-200 mm) |
| Safety Rating | SIL2 (simplex) / SIL3 (redundant) per IEC 61508 |
| Explosion Protection | FM, ATEX, IECEx up to 400 mm |
| Communication | 4-20 mA / HART, Pulse/Status I/O, EtherNet/IP (ADMAG TI) |
| Certifications | NSF-61 (drinking water) |
| Diagnostics | Adhesion level, gas bubble, electrode corrosion, low conductivity, slurry noise |
Request a Quote for Yokogawa ADMAG AXG Electromagnetic Flowmeter
Seven Star LLC invites facility engineers, EPC contractors, and procurement teams to submit a formal RFQ for the Yokogawa ADMAG AXG electromagnetic flowmeter. Regional warehouse stock in Oman enables fast delivery across the GCC, and our instrumentation division can provide the full technical datasheet, sizing assistance, and application support needed to specify the correct liner, diameter, and communication protocol for your process. As the authorized partner for Yokogawa in Oman and the GCC, Seven Star LLC backs every ADMAG AXG shipment with genuine manufacturer warranty and local calibration and technical support.
Related Products
Yokogawa is a global Japanese leader in process automation, industrial instrumentation and control systems, with more than a century of engineering expertise. The company designs and manufactures a comprehensive portfolio including distributed control systems (DCS), safety instrumented systems (SIS), field instruments, analyzers, recorders and industrial software platforms used to monitor, control and optimize complex industrial processes.
Yokogawa solutions are widely deployed in oil & gas production and refining, petrochemical plants, power generation facilities, chemical processing, pharmaceuticals, water & wastewater treatment and advanced manufacturing industries. Its instrumentation portfolio covers pressure, flow, level and temperature measurement, alongside advanced process analyzers for gas and liquid analysis.
Known for high reliability, measurement accuracy and long-term stability, Yokogawa systems are engineered for continuous operation in mission-critical environments. With strong capabilities in digitalization, lifecycle management and plant safety, Yokogawa supports operational efficiency, process safety and sustainable industrial performance across global industrial infrastructures.
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