Product Highlights
The SLS-SD Level Sensor is a highly versatile and reliable instrument designed for precise level measurements in a wide range of applications. With a level range spanning from 0.5mWG to 100mWG, it offers exceptional accuracy, with options for <±0.15%, <±0.10%, and <±0.06% accuracy ratings, ensuring reliable and consistent readings.
Constructed from durable 316 stainless steel, the sensor ensures long-lasting performance even in harsh environments. Its high integrity cable gland assembly provides a proprietary sealing solution for permanent submersion, further enhancing its durability and resistance to external factors. The SLS-SD Level Sensor utilises SDI-12 Version 1.4 digital communications, enabling seamless integration with telemetry systems, data loggers, and multi-sensor networks supporting up to 9 devices on a single bus.
Its ultra-low power consumption – less than 250µA when idle and less than 4mA when active – makes it ideal for remote, solar-powered, and battery-powered installations. Level and temperature output are provided as standard, adding valuable supplementary data for density correction and environmental monitoring. With IP68 environmental protection rated for full submersion up to 100m depth, the SLS-SD Level Sensor is a top choice for accurate and dependable level monitoring applications.
Applications
The SLS-SD Level Sensor is widely used in environmental monitoring, where it plays a crucial role in tracking water levels in natural and man-made environments. By providing accurate and reliable measurements via digital SDI-12 communications, the sensor helps environmental agencies and researchers monitor changes in water bodies, detect trends, and respond to potential ecological threats. Its robust design and ultra-low power consumption ensure dependable long-term deployment in the field, even in remote locations with limited power availability.
Another important application is V-notch weir flow measurement. In this context, the SLS-SD Level Sensor is installed to measure the height of water flowing over a V-notch weir, a common structure used to determine flow rates in open channels. The sensor’s precise level readings and integrated temperature output allow for accurate calculation of flow with density correction, which is essential for water resource management, wastewater treatment, and hydrological studies.
The sensor is also extensively used in rivers, reservoirs and boreholes. In these settings, it provides continuous digital level and temperature data that is vital for managing water supplies, monitoring drought or flood conditions, and ensuring the safety and sustainability of water resources. Its submersible design allows it to function reliably in deep or difficult-to-access locations, such as boreholes and large reservoirs, with the SDI-12 protocol enabling long cable runs without signal degradation.
For industrial and commercial applications, the SLS-SD Level Sensor is suitable for tank, IBC, and tote level measurement. It can be installed in storage tanks, intermediate bulk containers (IBCs), and totes to monitor liquid levels, helping operators manage inventory, prevent overflows, and ensure process efficiency. Its compatibility with a wide range of liquids – all fluids compatible with 316 stainless steel, FKM, EPDM, or NBR seals – makes it versatile for use in various industries, including chemicals, food and beverage, and water treatment.
In the realm of telemetry and data logging, the SLS-SD Level Sensor excels with its native SDI-12 digital output. This allows for seamless integration with remote monitoring systems, real-time data collection, and transmission to central databases or control rooms. The ability to connect up to 9 sensors on a single bus, combined with the powerful SDI-12 communications software for calibration, density correction, and diagnostics, enables operators to build comprehensive monitoring networks with minimal wiring.
The sensor also supports flood defence monitoring and research. By providing early warning of rising water levels in rivers, floodplains, and urban drainage systems, the SLS-SD Level Sensor helps authorities implement timely flood defence measures. Its reliable performance under extreme conditions and digital output for noise-free data transmission make it a trusted tool for both emergency response and long-term flood risk assessment.
Finally, the SLS-SD Level Sensor is valuable in academic research. Researchers in hydrology, environmental science, and engineering use the sensor to gather high-quality digital data for experiments and field studies. Its accuracy, SDI-12 compatibility with standard research equipment, and ease of deployment make it suitable for both short-term investigations and long-term monitoring projects, supporting a wide range of scientific inquiries.
