Magnetic Inductive Flow Sensors

FMG70 Series

Magnetic Flow meter

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Magnetic flow meter with No Moving Parts
No Flow Obstructions
No Additional Pressure Drop
Fast Response Time (< 500 ms)
Minimal Straight Pipe Requirements

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Description

Find how a Magnetic Flow Meter.works on this link.

The magnetic flow meter of the FMG70 series from OMEGA allows a unique and highly reliable measuring technique to be introduced into areas of process control previously considered not possible.

Changes of temperature, density, viscosity, concentration or electrical conductivity (minimum conductivity of 50 µS/cm) of the fluid do not affect the output signal.

FMG70 series can be used in areas where flow sensors with moving parts eg. paddle wheel sensors, cannot be applied due to contamination or particulates in the media. The sensor is intended for continuous measurement of flow rates or for dosing and batching. The output signal frequency (or current) is proportional to the flow.

Specifications

Model	FMG71	FMG72	FMG73
Flow Range	1 to 20 l/min	2 to 40 l/min	10 to 200 l/min
Accuracy	±2% of reading
Signal Output Starts from	Approx. 0.5 l/min	Approx. 1 l/min	Approx. 5 l/min
Repeatability	2%
Liquid Type and Minimum Conductivity	Water and other conductive liquids with minimum conductivity of 50 µS/cm
Maximum Liquid Temperature	90 °C
Ambient Temperature	5 to 70 °C
Maximum Pressure	16 bar (PN 16)
Diameter	DN 7	DN 10	DN 20
Process Connection	G1/2A or 1/2" NPT	G1/2A or 1/2" NPT	G1A or 1" NPT
Flow Indication	Green LED, blinking proportional to flow rate
Output Signals
Frequency Output
Pulse Rate	855 pulses/litre	855 pulses/litre	200 pulses/litre
Resolution	1.2 ml/pulse	1.2 ml/pulse	5 ml/pulse
Signal Shape	Square wave NPN, internal pull-up resistor 2 kΩ. Pulse duty ratio 50:50
Signal Current	Maximum of 20 mA, current limited
Analogue Output
Signal and Range	4 to 20 mA proportional to 0 to 20 l/min	4 to 20 mA proportional to 0 to 40 l/min	4 to 20 mA proportional to 0 to 200 l/min
Current Limitation	26 mA approx.
Maximum Burden	250 Ω to GND
General
Response Time	< 500 mS
Electrical Connection	M12 x 1 plug
Power Supply	24 Vdc ±10%
Current Consumption	Max. 80 mA
Electrical Protection	Shortcircuit proof (up to 30 V) and polarity protection (up to -30 V)
Mechanical Protection Class	IP 65 (NEMA 4X)
Materials
Electrodes	Stainless steel 316 TI (1.4571)
Process Connections	Stainless steel 316 TI (1.4571)
Measuring Pipe	PEEK-GF30
Gasket	EPDM
Housing	Cast Aluminium

Place Order(Specify Model Number)

Part Number/Desc.

Qty

Description

Magnetic Inductive Flow Sensors with BSP (G) Process Connection

FMG71-A-BSP

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Availability:

4 to 20 mA output, 1 to 20 l/m. DN 7 (1/4") pipe and G 1/2A process connection

FMG72-A-BSP

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Availability:

4 to 20 mA output, 2 to 40 l/m. DN 10 (3/8") pipe and G 1/2A process connection

FMG73-A-BSP

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Availability:

4 to 20 mA output, 10 to 200 l/m. DN 20 (3/4") pipe and G 1A process connection

Accessories

M12C-PVC-4-R-F-5

€27.30

Availability: 1 week

5 metre cable with right angle M12 x stripped leads

M12C-PVC-4-R-F-10

€32.44

Availability: 1 week

10 metre cable with right angle M12 x stripped leads

LP-PS-1524

Consult Sales

Availability:

DIN rail mount 24Vdc power supply. 15W, 0.63 Amp, 25mm wide. Powered by 85 to 260 Vac, 47 to 63 Hz

DP20-A1-A2

€158.15

Availability: In Stock

1/8 DIN process panel meter with universal 18/265 Vac/dc power supply and 2 relay outputs

DPF20-HV

€269.03

Availability: 8 weeks

6 digit, 1/8 DIN panel meter for Rate or Total, 85 to 260 Vac powered.

† All amounts shown in EUR
Note: Comes complete with operator’s manual.