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    Level Sensors

    What are Level Sensors?

    Level sensors monitor, maintain, and measure liquid levels to determine how full or how empty a container, tank or silo is. Level sensors provide an output electrical signal at predetermined levels to communicate when to open or close control valves. You can find out more in our comprehensive level sensors guide.

    Level Sensor Types

    The choice of sensors is usually determined by which substance is being measured, the environment in which the sensor is to be used and in which position the sensor needs to be mounted. Also, the application will determine the measurement principle used, such as capacitive, guided wave radar or hydrostatic level measurement. The most common types of level sensors are:

    Capacitive level switches

    • Capacitive level switches provide a basic full/empty level indication determined by the mounting position of the sensor. This type of switch is non-contact and uses a sensing field to determine liquid levels. Capacitive sensors provide accurate switching even with heavy residue build-up.

    Vibrating level probes

    • Vibrating level probes use a rod or a fork that constantly produce high-frequency vibrations. When the vibrating probe comes into contact with the medium, the vibration changes and the vibrating level switch outputs a switching command. Vibrating level switches are used as overfill protection devices or low-level indicators in liquids as well as in granular and powder bulk solids.

    Conductive level switches

    • Conductive level switches are sensors that use stainless steel probes with an electrical contact output to measure a specific liquid level. Used in conjunction with a level control relay to set and monitor each probe. Applications include ponds, reservoirs, sumps, pharmaceuticals, closed vessels and open tanks.

    Ultrasonic level sensors

    • Ultrasonic level sensors generate ultrasonic sound pulses that are reflected by the surface of a liquid medium. The time travelled by the ultrasonic pulse is calculated by the sensor which then determines the distance of the liquid to give an accurate fill level. The ultrasonic sensor's response is influenced by turbulence, pressure, moisture, and temperature.

    Applications of Level Sensors

    Common applications of Water & Oil Level Sensors include:

    • Manufacturing
    • Automotive Industry
    • Water Treatment
    • Pharmaceutical Processes
    • Power Generating Plants

    Browse the broad range of Level Sensors RS Group has to offer and order today for next day delivery.

    1509 표시되는 제품 Level Sensors

    개당
    ₩1,446,218.20
    Vega
    Sensor
    Suspension
    -
    Stainless Steel
    -
    -
    -40°C
    +80°C
    -
    -
    -
    20 mA
    -
    -
    -
    -
    -
    -
    VEGAWELL S 51
    개당
    ₩382,222.80
    Endress+Hauser
    Conductive
    Threaded Mount
    PNP
    PBT-FR
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX
    Liquipoint T FTW31
    • RS 제품 번호 794-3395
    • 제조사 부품 번호 LFP0500-G1NMB
    개당
    ₩3,083,200.00
    SICK
    Sensor
    Vertical
    0-10 V, 4-20 mA
    Stainless Steel
    500mm
    IO-LINK
    -20°C
    +150°C
    -
    -
    -
    100 mA
    16bar
    -
    PEEK
    500mm
    -
    -
    -
    개당
    ₩961,620.00
    Vega
    Vibrating Level Switch
    Cable
    Relay
    -
    -
    -
    -40°C
    +150°C
    -
    -
    -
    1 A dc, 3 A ac
    1.1bar
    -
    -
    -
    -
    ATEX
    VEGAWAVE 61
    개당
    ₩883,600.00
    SICK
    Vibrating Level Switch
    G1 Thread, Vertical/Horizontal
    PNP NO/NC
    PEI, Stainless Steel
    -
    -
    -50°C
    +150°C
    -
    35V
    -
    250 mA
    25bar
    -
    -
    -
    -
    -
    LFV200
    개당
    ₩927,554.40
    Endress+Hauser
    Point Level
    Threaded Mount
    SPDT
    Polycarbonate
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX
    FTE20
    개당
    ₩74,391.60
    Sensata / Cynergy3
    Optical Sensor
    Chassis Mount
    Transistor
    Polysulfone
    250mm
    -
    -25°C
    +80°C
    -
    15V
    1/4 in NPT
    100 mA
    20bar
    -
    -
    -
    -
    -
    OLS7
    개당
    ₩296,494.80
    SSt Sensing Limited
    Liquid Level Switch
    Threaded Mount
    PNP
    Stainless Steel 316L
    -
    -
    -40°C
    +125°C
    -
    30V
    -
    7.5 mA
    100bar
    -
    -
    -
    -
    -
    OPTOMAX LLC210
    • RS 제품 번호 768-1956
    • 제조사 부품 번호 SONS61.EXXX
    개당
    ₩1,205,155.20
    Vega
    Vibrating Rod
    -
    Relay
    -
    -
    -
    -
    -
    -
    -
    -
    20 mA
    -
    -
    -
    -
    -
    -
    VEGASON 61
    개당
    ₩1,282,564.20
    WIKA
    Level Sensor
    -
    4-20mA
    Stainless Steel
    5m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX, IECEx
    OLS-C51
    • RS 제품 번호 316-234
    • 제조사 부품 번호 FTL43-AAKBDFNAA1AJTA3EJ
    개당
    ₩1,037,534.40
    Endress+Hauser
    Vibronic Level Switch
    Flush
    -
    316L
    5m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    FTL43
    개당
    ₩1,122,726.60
    WIKA
    Level Sensor
    Threaded
    PNP
    Stainless Steel
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    L-OLS-C
    개당
    ₩1,050,299.60
    Rosemount
    Fork Level Switch
    Side or Top Mount
    Direct Load
    Stainless Steel
    -
    -
    -40°C
    +150°C
    -
    -
    -
    500 mA
    100bar
    -
    -
    -
    -
    -
    2110
    • RS 제품 번호 267-9324
    • 제조사 부품 번호 FTL33-AA4M3ACWBJ
    개당
    ₩555,765.60
    Endress+Hauser
    Vibronic
    Flush Mount
    PNP
    Stainless Steel 316L
    5m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    FTL33
    개당
    ₩1,107,978.00
    Endress+Hauser
    Vibronic
    Threaded Mount
    PNP
    PTB-FR
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX, IECEx
    Soliphant T FTM21
    개당
    ₩308,790.00
    SSt Sensing Limited
    Liquid Level Switch
    Threaded Mount
    NPN
    Stainless Steel 316L
    -
    -
    -40°C
    +125°C
    -
    30V
    -
    7.5 mA
    100bar
    -
    -
    -
    -
    -
    OPTOMAX LLC710
    • RS 제품 번호 256-6168
    • 제조사 부품 번호 FTL31-AA4M2AAWBJ
    개당
    ₩363,554.40
    Endress+Hauser
    Vibronic Switch
    Wall Mount
    PNP
    PBT
    1000m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Liquiphant
    • RS 제품 번호 282-5111
    • 제조사 부품 번호 7ML5440-0HB00-0AA2
    개당
    ₩6,643,638.00
    Siemens
    Radar Level Transmitter
    -
    -
    EEO
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    SITRANS LR560
    개당
    ₩204,224.40
    NIDEC COPAL ELECTRONICS GMBH
    Liquid Leak Sensor
    Cable
    NPN
    Polypropylene
    2m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    WL10
    개당
    ₩3,115,893.20
    Endress+Hauser
    Radar Level Sensor
    Threaded Mount
    4-20mA
    PBT
    60m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX
    FMR50
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