SLS-D Digital submersible level transmitter – SDI-12

Precision depth sensing made field-ready

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Explore the SLS Series Submersible Level Transmitters, perfect for environmental monitoring and flood defence. These robust stainless steel transmitters use an isolated diaphragm silicon piezo-resistive sensor for high accuracy. Designed for continuous operation in depths up to 100m, they feature analogue to SDI-12 digital conversion via the eco-friendly SDI-12 version 1.4 protocol, delivering serial level and temperature data. The advanced SDI-12 communications software supports sensor calibration, density correction, and connects up to 9 sensors for efficient data logging and diagnostics. An onboard 16-bit microprocessor guarantees accuracy and stability. Additionally, the USB interface (USB-SDI12-PRO) simplifies configuration and data logging for up to 10x SDI-12 devices. Choose the SLS Series for reliable performance in demanding situations.

SLS-D Level Transmitter Product Parameters

  • Pressure Ranges: Level ranges from 1 mWG up to 100 mWG.
  • Output Signal: Fully verified SDI-12 Version 1.4 compliant, low power consumption.
  • Accuracy: Options include <±0.15%, <±0.10%, <±0.06%.
  • Electrical Connections: High integrity overmolded cable assembly.
  • Process Connections: Designed for various environmental monitoring applications.
  • Media Compatibility: Constructed with 316 Stainless steel for durability.
  • Special Features: Level and Temperature output as standard features.

SLS-D Digital Level Transmitter Product Highlights

The SLSD Level Transmitter is a highly reliable and versatile device designed for measuring liquid levels, offering a wide range from 1mWG to 100mWG. Its precision is outstanding, boasting accuracy levels of <±0.15%, <±0.10%, and <±0.06% for different configurations. The transmitter’s sturdy construction with 316 stainless steel ensures durability and suitability for various environments. 

Moreover, the device features a high-integrity over-moulded cable assembly, contributing to its robustness and reliability in challenging conditions. It complies with the fully verified SDi-12 Version 1.4 standard, meeting industry requirements and ensuring seamless integration with other systems. 

The SLSD Level Transmitter is also designed with energy efficiency in mind, featuring low power consumption, making it cost-effective and environmentally friendly. Additionally, the device provides both level and temperature output as standard, making it a comprehensive solution for accurate and efficient liquid-level monitoring applications.

SLS-D Submersible Level Transmitter Applications

The SLS D Level Sensor is highly suitable for environmental monitoring, where accurate and reliable water level measurements are essential. Its robust design and submersible capability allow it to be deployed in a variety of natural settings, such as wetlands, lakes, and streams. By providing continuous and precise data, the sensor supports efforts to track changes in water levels due to seasonal variations, climate change, or human activity, enabling better management and protection of natural resources.

In applications involving V-notch weir flow measurement, the SLS D Level Sensor excels at determining the height of water flowing over a weir, which is a critical parameter for calculating flow rates. The sensor’s high accuracy and digital output make it ideal for use in hydraulic structures where precise flow measurement is required, such as in irrigation channels, wastewater treatment plants, and hydrological studies. Its submersible nature ensures reliable operation even in challenging field conditions.

The sensor is designed for deployment in rivers, reservoirs, and boreholes, where it can withstand immersion and provide long-term, stable measurements. In rivers and reservoirs, it helps monitor water levels for flood prediction, water resource management, and ecological studies. When used in boreholes, the SLS D Level Sensor assists in groundwater monitoring, supporting water supply management and hydrogeological research by delivering accurate depth-to-water data.

For laboratory and research testing, the SLS D Level Sensor offers the precision and reliability required for controlled experiments and calibration tasks. Its digital interface and compatibility with data acquisition systems make it easy to integrate into laboratory setups, where researchers can use it to simulate and study various hydrological scenarios, validate models, or test new instrumentation.

The sensor’s digital output and compatibility with SDI-12 protocols make it an excellent choice for telemetry and data logging applications. It can be connected to remote data loggers or telemetry systems, enabling real-time monitoring and automated data collection from inaccessible or hazardous locations. This capability is particularly valuable for long-term environmental studies, infrastructure monitoring, and compliance with regulatory requirements.

In the context of flood defence monitoring and research, the SLS D Level Sensor provides critical data for early warning systems and flood risk assessment. By continuously tracking water levels in rivers, floodplains, and drainage systems, the sensor helps authorities and researchers detect rising water levels, predict flood events, and evaluate the effectiveness of flood defence measures. Its robust construction ensures reliable performance during extreme weather conditions.

Academic research benefits from the SLS D Level Sensor’s versatility and accuracy, making it a valuable tool for a wide range of hydrological, environmental, and engineering studies. Universities and research institutions can deploy the sensor in field experiments, teaching laboratories, and collaborative projects, where its reliable data supports scientific discovery, student training, and the development of innovative water management solutions.

 

What is a Level Sensor?

Level sensors are instruments that tracks and reports how much liquid or granular substance is within a container. By monitoring quantity changes, level sensors allow automation systems to adjust inputs or outputs as needed. These sensors provide key data for control and monitoring in many industries.

 

What are Submersible Level Transmitters?

To precisely gauge liquid levels in tanks, wells and reservoirs, submersible level transmitters are the perfect solution. Engineered to operate whilst fully immersed, these sensors take readings from inside the container. Their waterproof build allows them to be lowered directly into the liquid being measured. Submersible Level Transmitters are ideal for obtaining reliable and accurate level measurements from challenging process environments. By eliminating distance between the sensor and media they can capture even minor level changes. Submersible level transmitters provide critical data for managing liquids in storage and process vessels in a broad spectrum of applications.

 
 
To download the latest SLS-D Digital submersible level transmitter datasheet click here: SLS-D
To download the latest manual click here: SLS-D
Click here to download the Stork DCT Software suitable for this Submersible Level Transmitter: Stork DCT Software
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