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Battery powered electromagnetic flowmeter (MEGAMF5000)

Item No.: 7
MEGAMF5000 Series is a kind of battery powered electromagnetic converter. This electromagnetic converter is capable of being used together with common electromagnetic flow meter sensor, with the flow rate measurement accuracy up to 0.5 level.
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Description Specifications Installation


MEGAMF5000 Series is a kind of battery powered electromagnetic converter. This electromagnetic converter is capable of being used together with common electromagnetic flow meter sensor, with the flow rate measurement accuracy up to 0.5 level.
 
MEGAMF5000 Series battery powered electromagnetic converter has a lithium battery, which is capable of working 3 to 6 years consecutively.

 

  • Various liner and electrode satisfy most applications
  • Flow Velocity range: 0.1-15m/s
  • It comes any flanges such as, ANSI, DIN, JIS…etc
  • Excellent for high pressure application
  • Protection class: IP68 available
  • High accuracy of ±0.5% value of reading
  • Fluid empty pipe / excitation current detection alarm
  • Single 3.6V battery or 3.6V battery & Power supply together
  • Line size available from 10mm to 800mm
  • Pulse, 4-20mA, Modbus, GPRS
  • Carbon steel and Stainless steel housing can be optional
  • Display in instantaneous flow and accumulated flow
 

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Sizes 6-800mm
Measuring Range 0.1-15m/s
Temperature -20~+60℃ (Neoprene)
-20~+120℃ (PTFE)
-40~+140℃ (FEP)
-10~+60℃ (Polyurethane)
-40~+180℃ (PFA)
Process Connection Flange, Wafer, Thread, Tri-clamp
Accuracy ±0.5%
Liner Polyurethane, Neoprene, FEP, PTFE, PFA
Flange Types ANSI, DIN, JIS
Material  SS #201/304 flow tube, carbon steel flanges & coil housing, powder coated aluminum electrical enclosure
Conductivity must be ≥ 5 µS/cm
Electrode & Grounding Stainless Steel #316L / Hastelloy B / Hastelloy C / Titanium / Tantalum / Platinum -iridium alloy
Display Flow rate, flow velocity, percentage, Total flow
Grounding Resistance Must be less then 10 Ω
Protection  IP 68
Ambient Tempearture -20~60 °C
Cable entry M20x1.5
Max rated pressure 35MPa


 

Location
Install the flowmeter in a location where it is not exposed to direct sunlight.
 
Noise Avoidance
The flowmeter should be installed away from electrical motors, transformers, and other power sources in order to avoid interference with measurement.
 
Required Lengths of Straight Runs
To maintain accurate measurement, we recommend the piping conditions as shown in the following figures.
 
*1: Do not install anything in the vicinity that may interfere with the magnetic field, induced signal voltages, or flow velocity distributions of the flowmeter.
*2: A straight run may not be required on the downstream side of the flowmeter. However, if a downstream valve or other fitting causes irregularity or deviation in flows, provide a straight run of 2D to 3D on the downstream side.
*3: The valves shall be mounted on the downstream side so that deviated flows do not occur in the flowtube and to avoid startup from an empty condition.


Required Lengths of Straight Runs

It is essential that pipes remain fully filled at all times, otherwise flow rate indications may be affected and measurement errors may be caused.
 
Piping shall be designed so as to maintain the interior of the flowtube filled with fluids. Vertical mounting is effective in such cases as when fluids tend to separate or solid matter may be precipitated. When employing vertical mounting, direct the fluids from the bottom to the top to ensure that the pipes remain fully filled.


Avoid air bubbles

If air bubbles enter a measurement pipe, flow rate indications may be affected and measurement errors may be caused.
In cases where fluids contain air bubbles, piping must be designed to prevent them from accumulating in the measurement pipe of a flow tube.
If a valve exists near the flowmeter, try to mount the flowmeter on the valve’s upstream side in order to prevent a possible reduction of pressure inside the pipe, thereby avoiding the possibility of air bubbles.


 

 
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