Working Principle; Reception; Unpacking; Storage Temperatures - Tecfluid FLOMID Series Instruction Manual

1

WORKING PRINCIPLE

The FLOMID electromagnetic flowmeters are based on Faraday's induction law.
When an electrically conductive liquid flows through a magnetic field, perpendicular to the
flow direction, it induces a voltage Vm proportional to the liquid velocity.
Two electrodes in contact with the liquid and positioned perpendicularly to the magnetic
field, sense this voltage V.
2

RECEPTION

The FLOMID electromagnetic flowmeters are supplied conveniently packaged for
transportation together with their instruction manual for installation and operation.
All the flowmeters have been verified in our calibration rigs to obtain the Fc factor for each
sensor.
2.1

Unpacking

Unpack the instrument carefully, removing any remains of the packing from the inside of the
sensor. Do not remove the grease from the neck that couples to the electronics housing.
2.2

Storage temperatures

Sensors linings of :
V = B·v
Where:
V = Measured voltage in the electrodes
B = Magnetic field
v = Average liquid velocity
m
D = Pipe diameter
PTFE and PVDF
PP and EBONITE
6
·D
m
-20ºC ...... +60ºC
-5ºC ...... +50ºC