Dwyer Series MFS Magnetic nductive Flow Sensor

Dwyer Series MFS electromagnetic sensors with electrical transmission output for indication of liquid flow rate. With no moving parts and accuracy in their readings of flow. Electromagnetic flow transmitters are for reversible gauging of the volume flow of conductive liquids in closed piping.

The Series MFS Magnetic Inductive Flow Sensor is a compact, low-cost alternative to paddle wheel sensors. Unlike sensors with moving parts, the MFS can be applied in applications dealing with contaminated media. This series provides a reliable measuring technique, an obstruction-free pipe cross-section, as well as a quick response time, making this series ideal for interference-free operation.

Any change in temperature, density, viscosity, concentration, or electrical conductivity of the liquid, does not affect the output signal of this Magnetic Inductive Flow Sensor. This, in addition to its long-life cycle, makes this series perfect for accurate reversible gauging of the volume flow of conductive liquids in closed piping.

The measuring pipe is in a magnetic field. If an electrically conductive medium with a certain flow passes through the pipe, it passes at a right-angle to the magnetic field, creating a voltage that is proportional to the average flow velocity and picked up by two electrodes within the MFS. A frequency output signal is obtained that is proportional to the flow (analog output option available).

Dwyer Series MFS Features

Long life cycle with no moving parts to wear or break
Can be applied in applications dealing with contaminated media with no mechanical component in the flow
Obstruction free pipe cross-section yields low-pressure drop
Unaffected by the change in temperature, density, viscosity, or concentration

Application

Contaminated liquid flow monitoring
The flow of conductive liquids
Water & wastewater treatment
Industrial systems
Irrigation applications

Specification

Service	Water and other conductive liquids.
Wetted Materials	Electrodes: 316 TI SS; Process Connections: 316 TI SS; Measuring Pipe: PEEK-GF30; Gasket: EPDM.
Accuracy	±2% of reading.
Repeatability	1%.
Temperature Limits	Process: 32 to 194°F (0 to 90°C); Ambient: 41 to 158°F (5 to 70°C).
Pressure Limits	232 psi (16 bar).
Response Time	< 500 ms.
Power Requirements	24 VDC ±10%.
Output	Frequency: Square-wave, NPN; Analog: 4 to 20 mA.
Loop Resistance	250 Ω.
Current Consumption	Max 80 mA.
Minimum Conductivity of Medium	50 µS/cm.
Flow Indication	LED green, flow proportional blinking.
Enclosure Rating	NEMA 4 (IP65).
Electrical Connection	Plug connector M12x1.
Weight	MFS-1X: 1.5 lb (0.68 kg); MFS-2X: 1.7 lb (0.77 kg); MFS-3X: 1.9 lb (0.87 kg).
Agency Approval	CE.