EMV-5000 pages

EMV-500TM
Electromagnetic Velocity
Open Channel Flow meter

Technical Specifications
Velocity Measurement
Method
Electromagnetic (Faraday’s Law)
Range
0 to +6 m/s
Accuracy
± 1% of measured value or ±0,03 m/s
(whatever value is bigger)
Min. conductivity of the medium needed

10µS/cm

Velocity Measurement Method
The principle of magnetic-inductive flow measurements utilizes the
Faraday’s law, where a conductor moving in a magnetic field
induces a voltage of amplitude proportional to the velocity of the
conductor. The conductor is the media being measured.

EMV-500TM SIZE A

Material & Dimensions
Material
Ultra High Molecular Polyethylene (PE-UHM)
Stainless steel 316 electrodes
Protection rate
IP68
Dimensions
Size A: 165 mm L, 40 mm W, 25 mm H
Size B: 190 mm L, 60 mm W, 45 mm H
Weight
Size A: 0,300 Kg (without cable)
Size B : 0,750 Kg (without cable)
Operating Temperature Range and Pressure
0º to 80ºC (depending on pressure)
Max. pressure 4 bar (depending on temperature)

EMV-500TM SIZE B
The EMV-500TM is a water/wastewater electromagnetic velocity
open channel flow meter sensor which is available in two sizes:

SIZE A is suited for pipes or channels from 150 mm to
500 mm diameter

SIZE B is suited for pipes or channels from 500 mm to
2.000 mm diameter.
The sensor is encapsulated in an IP68 submersible ultra high
molecular polyethylene body to be mounted with a special sensor
mounting band in the pipe.
When combined with the appropriate level sensor, the EMV-500TM
constitutes an efficient electromagnetic area/velocity flow meter
measuring both velocity and level in the same cross-section (or slice
of pipe). This is a requirement necessary for accurate flow rate
measurement using the continuity equation: Q = v x A

Sensor Cable
Material
Length

Polyurethane jacketed
10 m (standard)
20 m, 30 m
or length up to 100 m (optional)

Converter for EMV-500TM (included)
Operating temp.
-10° to +50°C
Protection rate
IP66
Power supply
18…36 VDC
Output
One 4…20 mA analog output for
velocity (m/s)to be connected to a PLC
or the UNI-TRANSTM for flow conversion
Max. impedance
500 Ohm
Application fields
Drinking water supplies
Water treatment plants
Cooling water control and monitoring
Chemical and pharmaceutical plants

Flow measurements in industry

In addition, electromagnetic sensors are totally unaffected by the
concentration of debris or dilution of wastewater by rain.

Specifications are subject to change without notice
Updated: April 2014

Rue J.H. Cool 19a l B-4840 Welkenraedt l BELGIUM

www.flow-tronic.com

Tél.: +32 (0)87 899 799 l Fax: +32 (0)87 899 790
E-mail: info@flow-tronic.com