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Submersed level transmitters are liquid level sensors with an electrical transmission output. There are bullet, cage, and flush tip types available. Submersible level transmitters are made up of a sensor connected to a lengthy cable that is lowered to the bottom of the liquid vessel.
The sensor works by sensing the liquid medium’s hydrostatic pressure. Hydrostatic pressure, often known as head pressure, is the pressure exerted by the fluid in the vessel. Level transmitters create an output signal that directly correlates to the level in the vessel and give continuous level measurements over the system’s range rather than at a single spot.
The Global Submersible Level Transmitters market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
A new submersible level transmitter with high accuracy and stability is now available. Impress (UK) has introduced a new line of submersible hydrostatic level transmitters that may be utilised at depths of up to 200 metres. The transmitter has an SDI-12 digital output and a built-in temperature sensor with exceptional precision.
The SDI-12L submersible level transmitters employ either a stainless steel silicon-based pressure sensor or a marine-bronze ceramic pressure sensor. Both models make use of piezoresistive technology, which ensures long-term measurement stability and repeatability.
The transmitter is ideal for a variety of applications, including river and reservoir level monitoring, tanks and vessels in process plants, seawater and estuary levels, borehole water levels, tsunami and tidal monitoring systems, wave height measurement, environmental monitoring, and V-notch weir flow measurement.
The stainless steel version has a greater pressure measurement resolution of about 12-13 Bit and a substantially lower signal-to-noise ratio, offering a very smooth and accurate technique of level measuring. The ceramic pressure sensor version is more suited for marine application, as regular devices may corrode.
These units are suited for marine, estuary, and saline applications.The SDI-12L is an excellent choice for borehole pump applications. Submersible pumps are used to pump water from the hole’s bottom to the surface. To function properly, the pumps must have a level of water above them to avoid running dry, which can ruin a pump in a short period of time.
