Flow Sensors | Flow Meters | Flow Indicators | RS
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    Flow Sensors

    Flow sensors are devices that help us measure the movement of fluids, like water or air, in various applications. You may have heard of them being referred to as a flow meter or flow indicator. They work like fluid detectives, detecting the flow rate and volume with certain applications to provide valuable information for controlling, monitoring, and optimising processes.

    There are several types, each with its own unique way of working.

    • Differential Pressure Flow Sensors: These sensors create a pressure drop in the fluid and measure the resulting difference. They compare the pressure upstream and downstream of an obstruction, calculating the flow rate. They're commonly used in HVAC systems and industrial processes.
    • Turbine Flow Sensors: Turbine sensors work like tiny windmills in the fluid stream. As the fluid flows, it spins the turbine, and the speed of rotation is proportional to the flow rate. These sensors are widely used in water utilities, irrigation systems, and even fuel consumption monitoring.
    • Electromagnetic Flow Sensors: These sensors employ the power of electromagnetism to measure flow. A magnetic field is created perpendicular to the fluid's direction, and as the conductive fluid flows, it generates a voltage proportional to the velocity. They are unaffected by pressure or temperature changes and find applications in water treatment, chemical processes, and wastewater management.
    • Ultrasonic Flow Sensors: These sensors use sound waves to detect the flow. They emit ultrasonic signals through the fluid and measure the time it takes for the waves to travel upstream and downstream. By comparing these times, they calculate the flow rate. These sensors are particularly handy for large pipes and ducts.
    • Vortex Flow Sensors: Just as a whirlpool forms when water flows past an obstacle, vortex flow sensors take advantage of the "twist" in the flow. They place a bluff body in the fluid stream, and the frequency of vortices formed is directly related to the flow rate. These sensors excel in measuring gas flow and find applications in HVAC, chemical plants, and even beer brewing!

    Check out our super useful Flow Meter Guide if you would like to discover more.

    Flow sensors are the "current" stars of the measurement world, helping us formulate efficient processes, optimise resource usage, and maintain the perfect balance. With their diverse types and applications, they're certainly not "fluid" when it comes to providing valuable data.

    749 Produits présentés pour Flow Sensors

    Omron
    Air
    Air
    1 l/min
    1 L/min
    10 V dc
    -
    -
    -
    -
    -
    -
    -
    -
    D6F
    -
    -
    -
    ifm electronic
    Liquid
    Magnetic-Inductive
    0.2 L/min
    100 L/min
    19 → 30 V dc
    -
    1 BSP
    16bar
    PBT, Stainless Steel
    -20 °C
    +80°C
    -10°C
    +60°C
    SM
    -
    -
    -
    Key Instruments
    Gas
    Variable Area
    1 L/min
    10 L/min
    -
    1/8 in
    1/8 NPT Female
    6.89bar
    Acrylic
    -
    +65°C
    -
    +65°C
    FR2000
    -
    -
    -
    Gems Sensors
    Fluid, Liquid
    RotorFlow
    1.5 gal/min
    20 gal/min
    -
    1/2 in
    1/2 NPT Female
    13.8bar
    Stainless Steel
    -
    +21°C
    -29°C
    +100°C
    RFI
    -
    -
    -
    Endress+Hauser
    Liquid
    Conductive Liquids
    0.05 l/min
    35 L/min
    18 → 30 V dc
    G 1/2
    Bluetooth, IO-Link
    -
    -
    -
    -
    -
    -
    Picomag
    -
    -
    -
    Parker
    -
    -
    2 L/min
    20 L/min
    -
    -
    -
    350bar
    Brass
    -
    -
    -20°C
    +90°C
    -
    -
    -
    -
    Digitron
    Liquid
    Fixed Ultrasonic Flow Meter
    0.1 m/s
    10 m/s
    12 → 24 V
    -
    -
    -
    -
    -
    -
    -
    -
    U1000MKII-FM
    -
    -
    -
    Siemens
    Liquid
    Electromagnetic Flow Sensor MAG 3100
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    SITRANS FM
    -
    -
    -
    Endress+Hauser
    Water
    Electromagnetic Flowmeter
    0.5 m³/h
    263000 m³/h
    24 V dc, 100 → 230 V ac
    -
    -
    -
    -
    -
    -
    -
    -
    Proline Promag W 10
    -
    -
    -
    Key Instruments
    Liquid
    Variable Area
    10 ccm
    100 cm³/min
    -
    1/8 in
    1/8 NPT Female
    6.89bar
    Acrylic
    -
    +65°C
    -
    +65°C
    FR2000
    -
    -
    -
    3M
    Air
    Air Flow Indicator
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    TR-600
    -
    -
    -
    Festo
    Air
    Flow Sensor
    4 l/min
    200 L/min
    22 → 26 V dc
    -
    Plug
    10bar
    PA-Reinforced
    0 °C
    +50°C
    0°C
    +50°C
    SFAH
    -
    -
    100 mA
    Gems Sensors
    Liquid
    RotorFlow Electronic
    2 L/min
    20 L/min
    24 V dc
    -
    1/4 BSP Female
    14bar
    Brass
    -29 °C
    +100°C
    -29°C
    +100°C
    RFS
    -
    -
    -
    SMC
    Water and Ethylene Glycol Aqueous Solution
    Integrated Display
    5 L/min
    40 L/min
    28 V dc
    -
    -
    -
    -
    -
    -
    -
    -
    PF3W
    -
    -
    -
    ifm electronic
    Liquid
    Ultrasonic
    0 L/min
    50 L/min
    19 → 30 V dc
    -
    3/4 BSP
    16bar
    Aluminium Alloy
    -10 °C
    +80°C
    -10°C
    +60°C
    SU
    -
    -
    -
    Gems Sensors
    Liquid
    Turbine
    0.1 l/min
    2.5 L/min
    5 → 24 V dc
    1/4 in
    1/4 NPT Female
    24bar
    Nylon 12
    -
    -
    -20°C
    +100°C
    FT-210
    -
    -
    -
    Key Instruments
    Gas
    Variable Area
    0.4 L/min
    5 L/min
    -
    1/8 in
    1/8 NPT Female
    6.89bar
    Acrylic
    -
    +65°C
    -
    +65°C
    FR2000
    -
    -
    -
    Honeywell
    Dry Gas
    Amplified
    0 sLpm
    20 SLPM
    15 V dc
    -
    1/4 NPT
    50psi
    Plastic
    -
    -
    0°C
    +50°C
    AWM5000
    -
    -
    -
    Renesas Electronics
    Liquid
    Liquid Flow Sensor Module
    0 l/min
    7 L/min
    5 V
    -
    -
    -
    -
    -
    -
    -
    -
    FS1025-DL
    -
    -
    -
    Honeywell
    Dry Gas
    Amplified
    -200 sccm
    200 cm³/min
    15 V dc
    0.2 in
    -
    25psi
    Plastic
    -
    -
    -25°C
    +85°C
    AWM3000
    -
    -
    -
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