Water level sensor for tanks: accurately monitor your water level remotely

At a time when intelligent resource management and remote monitoring are becoming essential, our water level sensor for tanks is a connected, precise and easy-to-deploy solution.

Designed to fit all types of tanks, rainwater reservoirs, industrial tanks, agricultural cisterns or retention basins, this system measures liquid level with millimetre precision. millimeter accuracyprecision, and transmits the information in real time via LoRaWAN, GSM, Wi-Fi or Bluetooth.

Robust, watertight, easy to install and compatible with a wide range of liquids (water, fuel, chemicals), it features integrated pressure sensors, ultrasonic or float as required. All the data collected is accessible via a intuitive applicationfor reliable effortless and reliable remote control.

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Why monitor the water level in a tank?

Water stored in a tank or reservoir is a strategic resource. Whether for domestic, agricultural or industrial use, rigorous liquid level management is essential for optimize consumption, avoid incidents and maintain service quality.

Knowing the quantity of water available at all times enables you toanticipate needs, d’organize refills or deliveries or deliveries, andavoid wastage related to overfilling or undetected evaporation. This approach is in line with the objective of cost control, security of supply and respect for the environment.

By making level measurement more precise, more frequent and, above all, more remotely accessible, an intelligent sensor becomes a lever for performance and peace of mindwhatever the application.

Risks associated with incorrect level monitoring

Failure to keep a close eye on the water or liquid level in a tank can have serious consequences:

  1. Overflow or underfilling A poorly monitored tank can overflow during heavy rainfall, or run dry at the height of demand, creating flooding or service interruption problems.
  2. Interruption of use For a private individual, this could mean cutting off watering or the domestic water supply; for a farmer, it could mean disrupting irrigation or livestock watering; for an industry, it could mean stopping a critical process.
  3. Loss of control over consumption: without reliable measurement, it is impossible to detect leaks, monitor stock levels or optimize usage. This can lead to cost overruns and undermine overall efficiency.
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Who needs this solution?

A wide variety of players can benefit from a connected control system. connected system:

  1. Individuals for monitoring the level of a rainwater harvesting system, well or borehole, and thus maximize water autonomy while avoiding wastage.
  2. Farmers When it comes to irrigation, livestock farming or the storage of technical liquids (fertilizers, fuel), accurate monitoring of tank levels is crucial to planning operations and avoiding supply shortages. to plan operations and avoid supply shortages.
  3. Industry and local authorities: whether for process vessels, sanitary water tanks or chemical products, reliable, continuous information is essential to guarantee safety, compliance and continuity of service.

A connected sensor for intelligent water management

Avoid tedious manual checks, gauge errors or surprises at the critical moment. Thanks to our connected sensormonitoring the water level in your tank becomes automatic and remotely accessible.

Designed for easy to install, robust to outdoor environments, and compatible with a wide variety of liquidsthis product combines advanced measurement technology, IoT connectivity connectivity and intuitive user interface. It’s a all-in-one solution that turns any tank into an intelligent control system.

Water level sensor operation

Available measurement technologies

Each sensor adapts to the constraints of the site and the liquid to be monitored:

  • Ultrasound Remote, non-contact measurement, ideal for water tanks or open basins. High precision, even with aggressive liquids.
  • Pressure Pressure: placed at the bottom of the tank, it reliably measures the height of the liquid, whatever the temperature.
  • Radar for complex media (foam, condensation), with millimetre accuracy millimeter accuracy.

Remote data transmission

The data collected is transmitted automatically via several protocols, depending on the configuration:

  • LoRaWAN/ Sigfox low power consumption, long range (up to several kilometers).
  • GSM / LTE-M GSM / LTE-M: compatible with areas with poor broadband coverage.

Supervision interface

The information is accessible via a mobile application or a web dashboardoffering :

  • Clear remote level display.
  • Measurement history.
  • Configurable alerts.
  • Multi-tank consultation if required.

Turnkey solution

✔️ Standard kit contents :

  • Ready-to-use level sensor (technology depending on model).
  • Fixing system (collar, stainless steel bracket, plate, etc.).
  • Connected application for configuration and monitoring.
  • Send smartintelligent alerts (low level, overflow, anomaly).

✔️ Autonomy :

  • Long-life battery (up to 5 years depending on use).
  • System optimized for low energy consumption.

✔️ Built to last :

  • Resistant materials: stainless stainless steelIP68 sealing.
  • Guaranteed operation in extreme temperature ranges.
  • No drilling required for some models.

The benefits of a connected water level sensor

The adoption of a connected sensor does more than simply display the level: it transforms tank management into a lever for efficiency, savings and peace of mind.efficiency, savings and peace of mind. Here are the most tangible benefits.

Controlling consumption and costs

  • Visualize in real time the exact level of your tanks, expressed to the nearest millimeter accuracyfrom your phone or computer.
  • Track measurement history to analyze consumption variations over time.
  • Anticipate fill-ups with intelligent forecast curves that take into account your usage habits.
  • Reduce losses by identifying periods of over-consumption or filling anomalies.
  • Optimize usage according to available stocks and priorities (watering, production, domestic use, etc.).

Smart alerts

  • Receive notifications in the event of a problem : low threshold reached, imminent overflow, leak detection or unusual behavior.
  • Choose your preferred channel email, SMS or mobile application.
  • Configure your critical thresholds according to the characteristics of your tank, your liquid or your usage.
  • React quickly before an incident impacts your operations or equipment.

Time-saving peace of mind

  • Monitor your installations remotelywithout having to visit your site, even from several kilometers away.
  • Avoid manual checks tedious, inaccurate or dangerous.
  • Get a clear, concise overview level data, whatever your level of technical expertise.
  • Centralize multi-tank management from a single interface if you manage several sites or tanks.

Easy installation and compatibility

One of the most frequent obstacles to the adoption of connected solutions remains the fear of a complex installation or incompatibility with the existing tank. That’s why our level sensor has been designed to be universal, modular and easy to installwithout the need for specialized tools or modification work.

Compatibility with different types of tanks

Our system is compatible with the majority of tanks used by private individuals, farmers or manufacturers, whatever their shape or material.

Tank type Compatibility
Aerial ✅ 100% compatible
Buried ✅ With suitable pressure transducer or ultrasonic sensor
Open or closed ✅ Sensor adaptable to any configuration
Plastic (HDPE, PVC) ✅ No risk of interference with measurement
Concrete ✅ Transmittable signal with remote antenna (if required)
Metal / Steel / Stainless steel ✅ Can be used with non-contact sensors (radar, ultrasonic)

Installation in just a few steps

The installation has been designed so as not to require any advanced technical skills. Depending on the model chosen, it can even be made without drillingusing the brackets or clamps supplied.

  1. Sensor mounting
    By adhesive support, collar or magnetic base (for metal tanks). No drilling required in 80% of cases.
  2. Quick commissioning
    Simply scan a QR code provided or use our dedicated application to connect the sensor and start receiving your first measurements.
  3. Support included
    An illustrated installation guide is supplied, and a technical hotline or on-site on-site installation service can be requested if required.
Turnkey installation service:

Is your tank difficult to access (high, underground, or with special technical features)? FOUR DATA offers you a dedicated installation service.

Our technicians come directly to your site to install and parameterize your sensor in complete safety. With FOUR DATA, we take care of everything!

Which sensor to choose? Comparison and recommendations

Because a rainwater collector does not have the same requirements as a fuel tank or an underground tank of several thousand liters, we offer several collector modelseach adapted to a specific need.

Our expertise is based on an analysis of field characteristics, the nature of the liquid being monitored, the desired inspection frequency, and installation constraints. The table below will help you quickly compare the main technical options.

Comparative tables of our models

Technology Autonomy Range / Transmission Compatible tank type Liquids supported
Ultrasonic 3 to 5 years Sigfox / LoRa or GSM Open tanks, basins Water, effluents, clear products
Pressure sensor Up to 5 years LoRaWAN / GSM Underground tanks, wells, concrete Water, fuel, chemical liquids
Jauga radar Up to 5 years GSM / LTE-M All types, including metal All liquids, high precision

🔍 All our models are supplied with mounting bracket, integrated power supply and supervisory application.

Our recommendations for your application

Domestic use

  • Recommended modelUltrasonic
  • Why? Easy to install, self-contained, ideal for managing rainwater tanks or small skimmers. Easy to monitor via app.

Agricultural use

  • Recommended model : Connected pressure gauge
  • Why? Ideal for underground tanks, drinking troughs or irrigation reservoirs. Long autonomy, long-range transmission via GSM, supports non-food liquids.

For industrial and institutional use

  • Recommended model : Pressure or Radar
  • Why? High precision, reliable operation in harsh environments, compatible with steel tanks or variable-temperature products. Very useful for critical or standardized applications.

Depending on inspection volume and frequency

Tank volume Desired update frequency Recommended model
Less than 1000 L Update 1x/day Ultrasonic ( Sigfox / Lora)
1000 L to 10 000 L Monitoring every 6 hours Ultrasonic or Pressure
Over 10,000 L Hourly monitoring + sentinel mode (level monitoring every 15 min) Pressure

What our users say

Discover below authentic customer feedback, focused on the concrete benefits seen with our water level sensors for tanks:

⭐️ Average rating: 4.8/5 (internal estimate based on regular customer feedback)

Customer testimonials

“The company is very satisfied with this solution and is now offering it to all its customers to monitor their lubricant and/or fuel consumption.”
– Industrial customer, energy/transport use

Concrete benefits : improved supply responsivenessand optimized logistics.

“We analyze your environment and your specific constraints to offer you the best approach… receive automatic alerts in the event of a critical threshold or anomaly… access an intuitive platform centralizing all your data…”
– Industrial or local authority user

Concrete benefits : ease of use, centralized data, instant alerts to avoid incidents.

Order your water level sensor

Ready for action? Whether you wish to equip a domestic, agricultural or industrial tank, our range of sensors is available for immediate purchase or customized quotation. Benefit from tailor-made support to secure your installation and take full advantage of connected technology.

Need personalized advice?

💡 Are you hesitating between several models, or would you like to validate compatibility with your tank? An expert will guide you in just a few clicks.

📞 Quick contact by phone or email :

  • 📧 contact@fourdata.io
  • ☎️ +33 (0)3 73 50 27 50
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FAQ: everything you need to know before buying your equipment

Yes, our sensors are designed to operate on a wide variety of tanks: overhead, underground, open, closed, plastic, concrete or metal. Depending on the model, the measurement technology (ultrasonic, pressure, radar or float) is selected to ensure the best possible performance. reliable measurement, whatever the configuration.

Installation is designed to be quick and accessibleeven without technical expertise. Most sensors can be mounted without drilling, and commissioning is carried out via QR code or mobile application. Technical support is available if needed, and an installation service can be provided on request.

Autonomy depends on the model and transmission frequency, but generally ranges from from 3 to 7 years. All our sensors use long-life batteries designed for outdoor use without frequent recharging.

Yes. Once the sensor is connected, the data can be accessed remotely via an app or online dashboard. Whether you’re just a few meters or several kilometers away, you can keep an eye on your tanks. in real time.

Absolutely. The system sends automatic alerts in the event of a critical level, overflow, abnormal drop or leak detection. These notifications can be received by email, SMS or directly via thedepending on your preference.