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Eletta (Beijing) Instruments Co., Ltd.

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Submersible Level Transmitter

Submersible Level Transmitter

The submersible level transmitter is based on the principle that the static
pressure of the measured liquid is proportional to the height of the liquid.

Product introduction

The submersible level transmitter uses the piezoresistive effect of diffusive silicon or ceramic sensitive measuring elements
to convert static pressure into electrical signal, which is converted into 4-20ma standard current signal output through
temperature compensation and linear correction. 

The transmitter can be directly put into the liquid and can be fixed by thread or bracket.

It is widely used to measure and control liquid level in environmental protection, water conservancy, power plant, urban
water supply and drainage, hydrological exploration and other fields


  • Simple structure, easy installation and use, corrosion resistance, explosion proof, lightning protection.

  • Suitable for measuring liquid level and interface of liquid medium in container.

  • In addition to on-site indication it can also be equipped with remote transmitter, alarm and detection functions.

  • 4~20mA 2-wire , strong anti-interference capability, long transmission distance.

  • The pressure sensor can directly sense the liquid level pressure, which is highly reliable and not affected by the foaming and

    deposition of the measured medium.

  • The measurable medium is extensive and has certain anticorrosion ability

  • Precise and unique auto-zero function, temperature drift compensation and nonlinear compensation ensure the accuracy and

    long-term stability of the instrument.


Technical specifications

  • Accuracy: 0.1%FS; 0.2%FS; 0.35%FS

  • Measurement range: minimum 0~0.12m, maximum 0~200m (water column pressure)

  • Working temperature: - 20 ℃ ~ 80 ℃ (short of up to 90 ℃)

  • Ambient temperature: - 20 ℃ ~ 80 ℃

  • Media: petroleum, diesel oil, gear oil, sewage, sea water, ammonia water, mercury, hydrogen peroxide, etc

  • Output signal: 4-20mA 2-wire, HART protocol

  • Stainless steel measuring probe, IP68

  • Optional: field indication, lightning protection, explosion protection, calibration software, HART hand operator


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