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General Catalog 775-01
Electromagnetic flow-meter

• The most competitive on the market
• Ranges from 0.25 l/min up to 150 l/min
• Pulse output
• Small dimensions


- Mechanical and industrial engineering fields
- Cleaning process
- Liquid dosage
- On board skids, etc.


BAMOMATIC is a flowmeter based on the principle of electromagnetic induction to measure flow-rate on electrically conductive liquids ( > 20 μS/cm). They are perfectly suited for dosing or totalizing liquids.

Each instrument is calibrated on a bench test at ± 5 pulses for 1000 pulses (Water at 20 ° C). Density of the liquid, its temperature or its pressure have no influence on the measurement; No moving parts in this flow-meter: it ensures operatings without mechanical wear.

The measuring principle is based on Faraday's law (a):
In an electromagnetic flow-meter, the liquid section is in a magnetic field created by solenoid coils. Electrode sensors are on plane perpendicular to this field, in contact with the (conductive) liquid and allow measurement of the generated voltage. This voltage is directly proportional to the fluid velocity and therefore to the flow rate (for a constant flow section).

(a): According to Faraday's law, electromagnetism principle, the voltage induced in a moving conductor through a magnetic field, is directly proportional to the conductor speed.

Power supply   24 V DC / ±3 V DC
Consumption   20 mA / 0.65 W
Protection   Against reverse polarity (diode)
Output signal   NPN Type
Status indicators   Red LED = power
    Green LED = output pulses
Electrical connection   DIN 43650-A plug
Fittings   ½" ; ¾" ; 1” (according the model)
Nominal diameter   8, 14 or 18 mm (according the model)
Measuring tube material   PVDF (Red housing)
    Option: Delrin (Blue housing)
Electrodes   AISI 316 L
Conductivity lower limit   20 μS/cm
Pressure limits   10 bar at 20 °C ; 8 bar at 40 °C ; 6 bar at 60 °C
Operating temperature   -10 ... +60 °C

EC Conformity: The instrument meets the legal requirements of the current
European Directives

General Catalog 775-01
17/12/2019 16:43
Electromagnetic flow-meter
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