Plastic submersible 4-20mA level sensors are specifically designed for level measurement in harsh environments where corrosive liquids are present. These sensors are constructed with chemically resistant plastic housings and are fully submersible for continuous level monitoring in tanks, sumps, and other containers. The 4-20mA current output signal provides a reliable and widely compatible means of transmitting level data to process control systems and monitoring equipment.
Products
LMK807 Plastic Submersible Level Transmitter - IP68 mid range pressure transmitter for measuring the level of highly contaminated and aggressive liquid media with a body made from PP-HT.
LMK 858 Plastic Submersible Liquid Level Sensor with Removable Cable - Chemical resistant liquid level sensor with detachable signal cable for measuring quantity of aggressive media such acids and alkalis and sludge in tanks located outside of factory buildings.
LMK 806 Plastic 21mm diameter Submersible Level Probe
LMK809 Plastic Submersible Low Level Transmitter
Application Specified Products
- Hot leachate level transmitter for 20m deep well monitoring on landfill sites - Submersible level transmitter for well on a landfill site to monitor hot and aggressive leachate.
- Ferric Chloride solution hydrostatic level transmitter - We're looking for a hydrostatic level transmitter which is resistant to acids & chemicals including Chlorine & ferric chloride acid (FeCl3) dissolved in water
- Sulfuric acid 12-15% conc. drop-in level probe for 10m high tank - level measurement of sulfuric acid tanks with a concentration between 12 and 15%.
- 10m high chemical tank 4-20mA output submersible PVC and ceramic protected liquid level sensor - A submersible PVC and ceramic based construction liquid level sensor for submerging in a gravity drained or pumped liquid chemical tank and measuring the depth over a range of 0 to 10m from the nose cone, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
- 250cm range 0-10Vdc output plastic submersible chemical tank level sensor - A plastic submersible liquid level sensor for submerging in a chemical tank and measuring the depth over a range of 0 to 250cm from the nose cone, and sending the corresponding 0-10Vdc signal through the submersible FEP coated cable electrical connection.
- Lightning protected submersible level sensor for hydroelectric intakes and rivers - Enhance hydroelectric monitoring reliability with the LMK858 sensor. Built-in lightning protection and robust design for remote water level measurement.
- 2m range 0.6% conc. chlorine liquid level sensor - Corrosion resistant liquid level sensor to measure up to 2m chlorine solution 0.6% conc.
- Swimming pool submersible pressure transmitter with 300 mbar range - Submersible pressure transmitter for use in swimming pools with a range of 0mbar to 300mbar.
- 120cm range 4-20mA submersible chemical tank level sensor for farm water line mineral injection - A plastic submersible liquid level sensor for submerging in a chemical tank used for injecting minerals into water lines on farms, and measuring the depth over a range of 0 to 120 cm from the nose cone, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
Plastic seawater depth probe with 20ft range & 4-20mA out - Submersible pressure transmitter for the measuring of seawater at various depths from zero to twenty foot. 
Contaminated groundwater submersible plastic body 5 psi pressure transducer & display - This submersible pressure transducer and display can be used by landfill site pump techs to read leachate water level above the transducer at the well head.- Hydrochloric acid storage tank 1mH2Og hydro-static pressure transmitter - A hydro-static pressure transmitter for storage tank level monitoring use to measure level of 36% hydrochloric acid over a range of 0 to 1 mH2O g by immersion in the tank, and sending the corresponding 4-20mA signal through the submersible electrical connection.
Sub-Product Types
- Plastic Submersible Hydrostatic Liquid Level Sensors - Chemical resistant submersible level sensors with a PVC housing and ceramic diaphragm for measuring the hydrostatic level of harsh chemicals.
Plastic submersible 4-20mA liquid level sensors are a type of hydrostatic level sensor that uses a pressure-sensing element to measure the hydrostatic pressure of the liquid. The sensor is typically housed in a durable plastic casing that is resistant to a wide range of chemicals. The 4-20mA current output signal is a standard industrial signal that can be easily integrated with various process control and monitoring systems.
Advantages
- Chemical Resistance: The plastic casing material is selected for its compatibility with a wide range of chemicals, making these sensors suitable for use in aggressive environments.
- Submersible Design: The sensors can be fully submerged in the liquid, allowing for continuous level measurement even in turbulent conditions.
- 4-20mA Output: The 4-20mA current output signal is a robust and reliable signal that is less susceptible to noise and interference than voltage signals.
- Cost-Effective: Plastic submersible sensors offer a cost-effective solution compared to other types of level sensors, such as ultrasonic or radar sensors.
Applications
- Chemical Processing: Monitoring the level of acids, alkalis, and other corrosive chemicals in storage tanks, mixing vessels, and process lines.
- Water and Wastewater Treatment: Measuring the level of water or wastewater in tanks, sumps, and clarifiers.
- Pharmaceutical Industry: Measuring the level of liquids in mixing tanks, reactors, and storage vessels.
Selection Considerations
- Chemical Compatibility: Ensure the sensor’s casing material is compatible with the specific chemicals being measured.
- Measurement Range: Select a sensor with a measurement range that is appropriate for the application.
- Accuracy: Consider the required accuracy of the level measurement.
- Installation Requirements: Consider the installation requirements, such as the mounting method and cable length.
Plastic submersible 4-20mA liquid level sensors are a versatile and reliable solution for a wide range of liquid level measurement applications. Their chemical resistance, submersible design, and 4-20mA output make them suitable for use in challenging environments. When selecting a sensor, it is important to consider the specific application requirements to ensure optimal performance.