Pressure sensors for installing underwater which are constructed to prevent water entering sensitive components and causing damage to the sensor. Underwater pressure sensors are IP68 rated for permanent use underwater to a specified maximum water depth.
IMSL IP68 Stainless Steel 316L Hydrostatic Pressure Sensor- Water resistant pressure sensor for measuring hydrostatic pressures in the range of 0-0.5 mWC up to 0-100 mWC.
LMP305 Borehole Level Transmitter- Submersible stainless steel pressure transmitter ideal for geotechnical surveying with a 19mm diameter for measuring hydrostatic water level in bore-holes.
LMK458 Marine Approved Hydrostatic Level Transmitter- Marine approved level transmitter with 4-20mA output for measuring level of contents inside ship ballast, fuel, liquid cargo or wastewater tanks- IMCL Low Cost Submersible Pressure Sensor- Economical IP68 protected sensor with stainless steel 316L housing and Ceramic strain gauge sensing diaphragm for measuring liquid depth pressure.
- IWSL Potable Water Submersible Level Sensor- IP68 protect pressure sensor for monitoring potable water level to depths of 100 metres.
- IMSTL IP68 Water Temperature and Depth Transmitter- Stainless steel 316L waterproof probe for measuring both water temperature and depth and generating two separate 4-20mA current loop measurement signals.
MTM3000 10mm diameter submersible miniature pressure transducer- MTM3000 Miniature Level Sensor specially designed for inserting down very small boreholes in wells, dams and many geophysical research applications.
18.605 G Low Cost Submersible Diesel Fuel and Water Tank Level Sensor- Low cost OEM diesel fuel or water level sensor for installing inside or outside a storage tank. 
LMP307 Submersible Level Transmitter- Submersible level transmitter for measuring liquid level with a 4-20mA current loop or a 0-10V voltage output plus optional ATEX approval for intrinsically safe use in hazardous areas in ranges from 1mH2O up to 250mH2O. The LMP307 is suitable for use on potable water with no leaching, and can be supplied with a drinking water certificate according to DVGW and KTW.
LMK 487 Submersible Ballast Tank and Draught Level Pressure Transmitter- A 22mm diameter titanium body seawater depth and level probe with a 4-20mA output with Lloyds and DNV-GL ship approval, for monitoring the quantity of ballast or the draft of a ship’s hull.
LMK809 Plastic Submersible Low Level Transmitter- IP68 low range pressure transmitter for measuring the level of highly contaminated and agressive liquid media with a body made from PP-HT or PVDF.
LMK807 Plastic Submersible Level Transmitter- IP68 mid range pressure transmitter for measuring the level of highly contaminated and aggressive liquid media with a body made from PP-HT.
- Genset hydrostatic sensor for measuring level of small diesel tank up to 12 inches
- Hot leachate level transmitter for 20m deep well monitoring on landfill sites
- CIP protected dairy sensor for measuring level of milk in 6m high tank
- Underground rain water storage tank level sensor and readout for 2 metre depth
- Borewell water level sensor for 100m water height
- 200m deep well pump water level sensor, switch & display
- Arduino UNO compatible borehole water level sensor
- Utility manhole vault 4mH2Og range 0.5-4.5V out water level sensor
- Dairy 100 deg C wash water tank 2m range submersible level sensor
- Ebb & Flow (Flood & Drain) Horticulture Hydroponic System 100mm Water Level Sensor
- BMS water tank 6mH2Og range 0-10V out submersible level sensor
- Underwater 50 metre sea depth 4-20mA output sensor