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YOKOGAWA

Yokogawa Electric Corporation

ADMAG AXR Two-wire Magnetic Flowmeters

The ADMAG AXR is the world’s first two-wire magnetic flowmeter which employs the fluid noise free “Dual Frequency Excitation Method,” achieving excellent stability for instrumentation.

ADMAG AXR Two-wire Magnetic Flowmeters

ADMAG AXR two-wire Magnetic Flowmeters wafer type

AXR
Integral
Flowmeter
wafer type
ADMAG AXR two-wire Magnetic Flowmeters flange type

AXR
Integral
Flowmeter
flange type
 
 
ADMAG AXR two-wire Magnetic Flowmeters logo image
The ADMAG AXR two-wire magnetic flowmeter can be installed in the two-wire system without any AC power source, thus drastically reducing the initial instrumentation cost.
The ADMAG AXR is the world's first two-wire magnetic flowmeter which employs the fluid noise free "Dual Frequency Excitation Method," achieving excellent stability for instrumentation.
Like the AXF four-wire magnetic flowmeter series, the ADMAG AXR has user-friendly functions such as a full dot-matrix LCD indicator, electrode adhesion level diagnosis function, and a multi-lingual display. The magnet switches can be used for checking and setting parameters without opening the case cover.

Note: The “Dual Frequency Excitation Method” is a Yokogawa's innovation.
 
 
  AXR leaflet
  AXR General Specifications
 
  AXR User's Manual 
Terms of Use for Manuals
List of ADMAG AXR series drawings
List of ADMAG AXR series catalogs
List of ADMAG AXR series general specifications
 

Features: ADMAG AXR Two-wire Magnetic Flowmeters

High Performance and Excellent Functionality
  

Field-proven dual frequency, now by 2-wire magmeter

   The "Dual Frequency Excitation Method" combines two strengths: stability in flow measurement due to low frequency excitation and high noise resistance due to high frequency excitation. Therefore, the method is strong against fluctuations of fluid condition and is ideal for stable measurement.
High Accuracy
   The ADMAG AXR performs 0.5% of rate under normal flowrate conditions.
  
Reducing the Instrumentation Cost
  

Direct Connection with the DCS

   AC power sources are not necessary. The ADMAG AXR can be connected with almost all distributors, signal conditioner cards, and input modules.
Energy Saving
   Compared with four-wire magnetic flowmeters, the ADMAG AXR can drastically decrease power consumption ( 1 to 4 % ).
  
User-friendly Functionality
  

Enhanced Diagnostic Function

   By checking the level of the insulating substance on the electrodes, it is possible to determine when maintenance is required.
Clear and Versatile Indications
   The full dot-matrix LCD indicator facilitates various displays such as one to three lines and multi-lingual display.
In an alarm condition, a full description of the countermeasure is indicated.
Parameter Setting
  Magnet switches and push switches are employed.
Magnet switches enable parameters to be set without opening the case cover in the hazardous area.
 

Specifications: ADMAG AXR Two-wire Magnetic Flowmeters

   
Structure Integral flowmeter
Excitation Method Dual frequency excitation
Nominal Pipe Size
[Unit : mm (approx. inch)]
General-purpose use: 25 (1.0) to 100 (4.0)
Explosion proof Type: 25 (1.0) to 100 (4.0)
Supply Voltage Operating voltage range 14.7 to 35 V DC Two-wire system
Output Signals Current output
Digital output(One output can be selected from pulse, alarm or status outputs.)
Electrode Material Stainless steel-JIS SUS316L (AISI 316L SS/EN 1.4404 equivalent), Hastelloy C276 equivalent, Tantalum, Platinum-iridium
Fluid Temp. - 40 to 130 deg.C (- 40 to 266 deg.F) [ depends on model type ]
Ambient Temp. - 40 to 55 deg.C (- 40 to 131 deg.F)
Accuracy 0.5% of rate (Note 1)
[ depends on nominal pipe size and fluid condition ]
Fluid Conductivity 10 micro-S/cm or larger (note 2)
[ depends on nominal pipe size and fluid condition ]
Lining Fluorocarbon PFA (Mirror-finished lining surface)
Lay Length
[Unit : mm (approx. inch)]
Lay length code 1: Wafer ; size 80 (3.0) to 100 (4.0),
  Flange ; size 25 (1.0) to 100 (4.0)
Lay length code 2: Wafer ; size 25 (1.0) to 100 (4.0)
Indicator Full dot-matrix LCD
Operational Switch 4 magnet switches (including push switches)
Self Diagnosis Electrode adhesion diagnosis, Coil open, etc.
Alarm Message Alarm message with countermeasure is indicated
( English, German, French, Italian, Spanish, Japanese )
Options Direction change of the electrical connection, Special Gaskets,
Bar-magnet for operation of magnet switches, etc.

* Please refer to General Specifications in detail.

Note 1: The accuracy of a product before shipment is defined as totalized value at the result of calibration test in our water actual flow test facility.
Note 2: For a fluid with large flow noise (pure water, pure alcohol or others), or a fluid with low conductivity and low viscosity, the output fluctuates and is impossible to measure accurately.

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