Level Sensors | Water & Oil Level Sensors | RS Components
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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.

    1480 표시되는 제품 Level Sensors

    개당
    ₩1,762,988.80
    Vega
    Radar
    1.5" G/BSP Thread
    4-20mA
    PVDF
    5m
    Hart
    -40°C
    +80°C
    -
    35V
    -
    20 mA
    3bar
    -
    FKM
    -
    Liquids/solids
    ATEX
    VEGAPULS C21
    개당
    ₩903,473.48
    Endress+Hauser
    Vibronic Level Switch
    Flush Mount
    -
    Aluminium, Plastic, Stainless Steel
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX
    Liquiphant FTL41
    • RS 제품 번호 215-5250
    • 제조사 부품 번호 K7L-AT50D
    개당
    ₩630,834.00
    Omron
    Liquid leakage sensor
    Plug-In
    PNP
    -
    5000m
    -
    +55°C
    -10°C
    -
    24V
    -
    -
    -
    -
    -
    -
    -
    -
    K7L
    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
    • RS 제품 번호 282-5109
    • 제조사 부품 번호 7ML5340-1AB07-4AF1
    개당
    ₩2,049,162.40
    Siemens
    Radar Level Transmitter
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    SITRANS LR150
    • RS 제품 번호 206-7071
    • 제조사 부품 번호 RA - 222 229
    개당
    ₩1,787,278.40
    Vega
    Radar
    1.5" G/BSP Thread
    4-20mA
    PVDF
    15m
    Hart
    -40°C
    +80°C
    -
    35V
    -
    20 mA
    3bar
    -
    FKM
    -
    Liquids/solids
    -
    VEGAPULS 31
    • RS 제품 번호 804-4124
    • 제조사 부품 번호 7ML1100-0BA20
    개당
    ₩1,668,913.60
    Siemens
    Vibrating Rod
    -
    -
    -
    -
    -
    -40°C, -20°C
    +60 °C, +73°C
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Echomax
    • RS 제품 번호 468-3435
    • 제조사 부품 번호 SN62XXAGHKMX
    개당
    ₩2,622,130.00
    Vega
    Ultrasonic
    -
    -
    Plastic
    -
    -
    -40°C
    +80°C
    -
    -
    -
    20 mA
    2bar
    -
    -
    -
    -
    -
    VEGASON 62
    • RS 제품 번호 189-2703
    • 제조사 부품 번호 LFFS-011.0
    개당
    ₩667,136.80
    Baumer
    Level Switch
    Threaded
    PNP
    Stainless Steel
    -
    -
    -40°C
    +85°C
    -
    36V
    -
    35 mA
    <10bar
    -
    -
    -
    -
    -
    LFFS
    • RS 제품 번호 206-7070
    • 제조사 부품 번호 RA - 222 22N
    개당
    ₩1,548,593.60
    Vega
    Radar
    1.5" G/BSP Thread
    4-20mA
    PVDF
    15m
    Hart
    -40°C
    +80°C
    -
    35V
    -
    20 mA
    3bar
    -
    FKM
    -
    Liquids/solids
    -
    VEGAPULS 21
    • RS 제품 번호 206-7072
    • 제조사 부품 번호 RA - 222 226
    개당
    ₩1,193,405.20
    Vega
    Radar
    1.5" G/BSP Thread
    4-20mA
    PVDF
    5m
    -
    -40°C
    +80°C
    -
    35V
    -
    20 mA
    3bar
    -
    FKM
    -
    Liquids/solids
    -
    VEGAPULS C11
    • RS 제품 번호 282-5108
    • 제조사 부품 번호 7ML5340-1AB07-4AF0
    개당
    ₩1,814,256.40
    Siemens
    Radar Level Transmitter
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    SITRANS LR150
    개당
    ₩904,938.00
    Rosemount
    Fork Level Switch
    Side or Top Mount
    Relay
    Glass Filled Nylon
    -
    -
    -40°C
    +150°C
    -
    -
    -
    500 mA
    100bar
    -
    Non Asbestos Sheet
    -
    -
    -
    2120
    • RS 제품 번호 191-359
    • 제조사 부품 번호 LMT03A
    개당
    ₩759,802.00
    ifm electronic
    Sensor
    -
    PNP
    Stainless Steel
    -
    IO-LINK
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    LMT
    개당
    ₩489,082.00
    Endress+Hauser
    Vibronic
    Flush Mount
    PNP
    Stainless Steel 316L
    5m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Liquiphant FTL31
    개당
    ₩204,224.40
    NIDEC COPAL ELECTRONICS GMBH
    Liquid Leak Sensor
    Cable
    NPN
    Polypropylene
    2m
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    WL10
    개당
    ₩367,709.20
    Baumer
    Level Switch
    Bottom Mount, Side Mount, Top Mount
    PNP
    Stainless Steel
    -
    -
    -40°C
    +85°C
    -
    30V
    -
    20 mA
    10bar
    -
    -
    -
    -
    -
    LBFS
    개당
    ₩730,255.92
    Endress+Hauser
    Vibronic Level Switch
    Flush Mount
    -
    Aluminium, Plastic, Stainless Steel
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Liquiphant FTL41
    개당
    ₩1,688,954.40
    Endress+Hauser
    Vibronic
    Threaded Mount
    PNP
    PTB-FR
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX, IECEx
    Soliphant T FTM21
    개당
    ₩1,053,646.00
    Endress+Hauser
    Vibronic
    Threaded Mount
    PNP
    PTB-FR
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATEX, IECEx
    Soliphant T FTM21
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