Hydrostatic Pressure Transmitters for Precise Liquid Level Measurement

Hydrostatic pressure transmitters provide an accurate and reliable solution for determining fluid level in a variety of industrial and process applications. These specialized pressure sensors convert the hydrostatic pressure exerted by a liquid column into a proportional electrical signal, typically a 4-20mA current loop output.

Dirty water, sludge & sewerage tank level 400 mbar pressure sensor - Flush ceramic diaphragm pressure sensor for measuring level of a dirty water, sludge & sewerage tank.
Underground rain water storage tank level sensor and readout for 2 metre depth - Water level indicator for a 2 metre deep rain water storage tank located underground.

3m range 4-20mA output submersible hot water tank level sensor - This submersible level sensor is suitable for use in hot water tanks. It features a 4-20mA output, 0-3m measurement range, and high-temperature resistance up to 125°C (257°F).
Borewell water level sensor for 100m water height - Low cost solution to measuring the water level in a borewell with a water height of as much as 100 metres above the submerged sensor
200m deep well pump water level sensor, switch & display - Protect your deep well pump with thhis submersible level transmitter and wall mounted indicator and alarm. This system provides reliable water level monitoring and pump protection at depths of up to 200 meters.
Robust hydrostatic level sensing in aerial firefighting water tanks - Facing reliability issues with fragile vented sensor cables? See how a ceramic diaphragm level transmitter with a heavy-duty cable provided a durable solution for measuring water and retardant levels.
Measuring fuel and water tank levels on ferries with a hydrostatic transmitter - Marine certified level sensors for ferry onboard fuel, water, and sewage tanks up to 2.4 meters
Abstraction pump protection using a screw-on hydrostatic level transmitter in a tidal river - Learn about the deployment of a 4-20mA screw-on hydrostatic level sensor for monitoring fluctuating seawater levels. Key aspects include the benefits of a fixed threaded mounting, diaphragm vulnerability without a nose cone, and protecting the atmospheric vent tube.

Desalination plant feed tank submersible level sensor - Highly durable submersible level sensor designed for harsh desalination plant environments. Copper-nickel alloy housing and ceramic diaphragm ensure long-term reliability in aggressive saline conditions. 4-20mA output, 0-5mH2O range.
6m range 4-20mA submersible animal feed tank level and PT100 sensor - A hi-temp media 125°C/257°F max, RTD temperature measurement submersible liquid level sensor for submerging in an animal feed tank and measuring the depth over a range of 0 to 6m from the flush diaphragm, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
Floating dry dock ballast tank 14ft range 4-20mA output submersible seawater level sensor - 14ft range submersible level sensor for monitoring the level of seawater in floating dry dock ballast tanks.
Storm water detention tank submersible level transmitter for measuring up to 20ft depth - Monitor water levels in storm water detention tanks with the LMK382 submersible level transmitter. This IP68 rated sensor features a 20 ftWG range, 4-20mA output, and a detachable nose cone for easy maintenance.
Dairy wash water tank submersible level sensor for temperature up to 100C and 2m high tank - Monitor wash water levels in high-temperature dairy applications with the LMK382 submersible level sensor, featuring 125°C temperature rating and durable construction.
Storm surge protected low range submersible river level transmitter - This submersible level transmitter offers accurate low range water level monitoring with high overpressure resistance for storm surge protection in rivers

4-20mA Output Hydrostatic Level Transmitters & Sensors - Explore industrial 4-20mA hydrostatic level transmitters for reliable liquid depth measurement. Ideal for tank gauging, borehole control & process monitoring applications.

Find out more about Hydrostatic Pressure Transmitters to determine which product options and capabilities will best meet your application requirements.

Hydrostatic pressure transmitters are essential tools for industries requiring accurate liquid level measurement in tanks, vessels, and other containers. By directly measuring the pressure at the bottom of a liquid column, these sensors provide a reliable indication of the fluid level above them.

Contents

Key Advantages & Applications

Wide Range of Applications: Hydrostatic pressure transmitters find use in diverse applications, including:
- Monitoring liquid levels in storage tanks and process vessels.
- Measuring pump inlet head pressure.
- Determining water levels in reservoirs and open channels.
- Monitoring groundwater levels and well depths.
Accuracy and Reliability: These transmitters offer high accuracy and stability, ensuring precise level measurements even in challenging environments.
Simple Installation and Maintenance: Hydrostatic pressure transmitters are designed for easy installation and minimal maintenance, saving time and resources.
Versatility: These transmitters can handle a variety of liquids, including water, chemicals, and fuels, making them suitable for various industries.
Robust Construction: Built to withstand harsh industrial conditions, these transmitters feature durable materials and construction to ensure long-term performance.

Understanding Hydrostatic Pressure

Hydrostatic pressure is the pressure exerted by a fluid at rest due to the force of gravity. The pressure at any point within a fluid column is directly proportional to the height of the liquid above that point, its density, and the acceleration due to gravity.

How Hydrostatic Pressure Transmitters Work

A hydrostatic pressure transmitter typically consists of a pressure sensing element, signal conditioning electronics, and a housing. The sensing element, often a diaphragm or strain gauge, measures the pressure exerted by the liquid column. This pressure is then converted into an electrical signal, usually a 4-20mA current loop output, which can be easily transmitted to a control system or display device.

Applications

Storage Tanks: Monitoring and controlling liquid levels in various storage tanks, including those for water, chemicals, fuels, and other industrial fluids.
Processing Vessels: Measuring liquid levels in reactors, mixers, and other process vessels to ensure optimal operation and control.
Header Tanks: Maintaining proper liquid levels in header tanks to ensure consistent flow and pressure in water distribution systems.
Pump Inlet Head: Monitoring the liquid level at the inlet of pumps to prevent cavitation and ensure efficient pump operation.
Open Channels and Reservoirs: Measuring water levels in open channels, rivers, and reservoirs for environmental monitoring and water management applications.

Important Selection Criteria

When choosing a hydrostatic pressure transmitter, consider the following factors:

Measurement Range: Select a transmitter with a suitable pressure range to accommodate the expected liquid level variations.
Accuracy: Choose a transmitter with the required accuracy for your application.
Material Compatibility: Ensure the transmitter’s materials are compatible with the measured liquid to prevent corrosion or damage.
Output Signal: Verify that the output signal type (e.g., 4-20mA) is compatible with your control system.
Environmental Conditions: Consider the operating temperature, humidity, and other environmental factors when selecting a transmitter.

Hydrostatic pressure transmitters offer a practical and effective solution for accurate liquid level measurement in a wide range of industrial and process applications. Their reliability, ease of use, and versatility make them a valuable asset for any facility requiring precise level monitoring and control.