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ESMWLPSH 4-20mA output Stainless steel Hydrostatic liquid level transmitter for oil

   The ESMWLPSH liquid level transmitter is manufactured using imported sensors. The sensitive device is installed at the lower end of the relay box. The input part is a balance hood. The air pipe (pressure guiding) is connected between the two. The pressure of the liquid column is transmitted through the air. Indirect grounding is transmitted from the air pipe to the sensitive part, which avoids direct contact of the sensitive device with the measured medium. Suitable for liquid level measurement of special occasions such as high temperature, viscous, and corrosion. Widely used in petroleum, chemical, metallurgy, power station, water conservancy, urban water supply
It is used for remote adjustment, control and reminding of liquid level and interface in industries such as industrial wastewater.

    Working Principle

    When the balance cover of the transmitter is put into a certain position in the liquid to be measured, the pressure applied by the sensor through the air pipe is: P=9.807ρ.H+Po
    Where: P: Pressure felt by the sensor, unit: Pa
                  ρ: liquid density to be measured, unit: kg/m
                  H: depth of the liquid to be measured, unit: m
    Po: pressure on the liquid surface, unit: Pa
    If the back cavity of the sensor communicates with the top of the liquid, then Po is zero, so it is equal to about 0.102P/p, and the transmitter converts the pressure signal when it is sensed into an electrical signal, which is proportional to the height of the liquid surface.
    Note: The container of the liquid to be measured must be open to the atmosphere, ie it is open and cannot be closed. Otherwise, the measurement result will be meaningless.

    Product Features

    1.Strong anti-interference, long-term stability, high precision, high performance/price ratio
    2.directly into the measured media, installation and use is very convenient
    3.Solid structure, no moving parts, high reliability, long service life
    4.No material fatigue wear, insensitive to vibration, impact
    5.With power inversion and overload current limiting protection
    6.There are dial indicator, LED, LCD head display can be selected
    7.Optional temperature compensation, high temperature

     application  scenario

    1. High-temperature hot water, steam condensate, heat transfer oil tanks
    2. Chemical acid and alkali tanks, electroplating tanks, wastewater treatment tanks
    3. Slurry tanks, residue slurry tanks, viscous liquid storage tanks
    4. Industrial liquid level monitoring for substances that easily crystallize or scale

    Product detail

    ESM2088WLPSHESM2088WLPS - (2)ESM2088WLPS - (1)ESM2088WLPS - (4)

    Technical Specifications

    Product number

    ESMWLPSH  Input type water tank level sensor

    Measuring range

    0-30meter

    Output

    0-5V/4~20mA/0~10V/0.5-4.5v /rs485

    accuracy

    0.5%FS

    Power supply

    8-30vdc/5vdc/24V DC

    Protection class

    IP68

    Measuring media

    Water, oil

    Medium temperature

    -40~300°C

    Medium temperature

    -20~60°C

    Environmental humidity

    ≤85%RH

    Ambient temperature

    Stainless steel 304 

    Shell material

    aluminum alloy shell

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