AXF025 Electromagnetic Flow Meter
The digital YEWFLO vortex flowmeter combines field-validated sensors and body components, utilizing a unique and powerful combination of digital technologies, including Spectrum Signal Processing (SSP) - an innovation from Yokogawa Electric, in over 450,000 installations worldwide.
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Yokogawa flow meter
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Detailed introduction
The AXF025 is part of Yokogawa’s ADMAG AXF series of electromagnetic flow meters, designed for high-precision flow measurement in industrial applications. The “025” refers to a nominal diameter of 25 mm (1 inch), making it suitable for small to medium flow rates.
| Parameter | Specification |
|---|---|
| Nominal Diameter | 25 mm (1 inch) |
| Flow Range | Approx. 0.07–7.0 m³/h (depending on fluid) |
| Accuracy | ±0.35% of reading (±0.2% optional) |
| Minimum Conductivity | 5 µS/cm |
| Process Connection | Flanged (JIS/ANSI/DIN available) |
| Lining Material | PTFE / PFA (application dependent) |
| Electrode Material | SUS316L, Hastelloy C, Titanium, Tantalum, etc. |
| Output Signals | 4–20 mA, Pulse, Alarm (user-selectable) |
| Communication Protocols | HART, FOUNDATION™ Fieldbus, PROFIBUS (option) |
| Protection Rating | IP66 / IP67 / IP68 (submersible options) |
| Power Supply | 85–264V AC or 24V DC |
| Ambient Temperature | –10 to +60 °C |
Durability
Durability is achieved through simple design and construction.
Here are the key features of the Yokogawa AXF025 Electromagnetic Flow Meter, part of the ADMAG AXF series:
Enhanced Dual Frequency Excitation: Improves signal stability and accuracy, especially in noisy or low-conductivity applications.
Electrode Adhesion Level Diagnosis: Continuously monitors for insulating buildup on electrodes, helping to schedule maintenance before performance is affected.
Replaceable Electrodes: Simplifies cleaning and maintenance, especially useful in applications prone to fouling.
Infrared Switches: Allow parameter setting without opening the case—ideal for hazardous or clean environments.
Flexible Electrical Connection: The converter or terminal box can be rotated to match site wiring needs.
Clear LCD Display: A large, backlit dot-matrix screen shows up to three lines of messages, including detailed alarm descriptions.
High Accuracy: Standard accuracy is ±0.35% of reading, with an optional high-accuracy version at ±0.2%.
FOUNDATION™ Fieldbus Compatibility: Enables advanced communication and multi-drop wiring for reduced installation costs.
❓ Frequently Asked Questions – AXF025 Electromagnetic Flow Meter
Q1: What is the AXF025 used for?
A: It measures the flow of conductive liquids in industrial processes, ideal for water, wastewater, chemicals, and slurries.
Q2: What is the minimum conductivity required?
A: The fluid must have a conductivity of at least 5 µS/cm for accurate measurement.
Q3: Can the electrodes be cleaned or replaced?
A: Yes, the AXF025 features replaceable electrodes, making maintenance easier in fouling-prone applications.
Q4: Is it compatible with digital communication protocols?
A: Absolutely. It supports HART, FOUNDATION™ Fieldbus, and PROFIBUS (optional), enabling integration into smart systems.
Q5: What is the protection rating?
A: Depending on the configuration, it offers IP66, IP67, or IP68 protection—suitable for harsh or submersible environments.
Q6: Has the AXF025 been discontinued?
A: Yes, the AXF series was discontinued on June 15, 2022, and replaced by the ADMAG AXG and AXW series.
Q7: Where can I find the user manual?
A: You can download it from , which includes installation, wiring, and troubleshooting guidance.
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