Current loop output sensor transmitters for measuring the hydrostatic pressure exerted by a static head of liquid. Use these hydrostatic pressure transmitters to measure fluid level in storage tanks, processing vessels, header tanks, pump inlet head and other applications where hydrostatic pressure is used to determine liquid height.
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
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.
LMK387 Cleanable Sewage and Sludge Pressure/Level Sensor - Rugged and easily cleanable pressure/level sensor for use with waste water sewage or sludge.
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.
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. 
DPT200 Pressurised Tank Level Differential Pressure Transmitter - Pressurised tank liquid level differential pressure cell transmitter for process plant storage.
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.
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.
LMK306 Ground Water Level Transmitter - IP68 sealed hydrostatic level transmitter with a 17mm diameter for lowering into ground water boreholes for environmental monitoring of water level.
LMK382 Low Range IP68 Waste Water Level Transmitter - Submersible Low Range waste water level transmitter with intrinsically safe option for monitoring the level of sewage and effluent in water treatment plants.
LMK331 Screw-In Ceramic Level Transmitter - Level pressure sensor with semi-flush ceramic diaphragm and stainless steel or PVDF wetted parts in ranges from 0-4 to 600mH2O gauge.- 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.
- IWSL Potable Water Submersible Level Sensor - IP68 protect pressure sensor for monitoring potable water level to depths of 100 metres.
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.
LMK351 High Overpressure Flush Level Transmitter - Flush capacitive ceramic pressure sensor for measuring corrosive and viscous liquid level from levels 0.4 metres of water up to 200 mH2O. 
LMK307 Submersible Waste Water Level Sensor - Submersible waste water level sensor with optional intrinsic safety certification for monitoring the level of sewage and effluent in water treatment plants.
DS200 Combined Hydrostatic Level Switch, Gauge and Sensor - Three in one hydrostatic level switch, digital level gauge and level sensor with level ranges from 1 mWG up to 600 mWG (3.3 to 1969 ftWG).
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.
LMP 308 Removable Waterproof Cable Connection Water Level Sensor - Groundwater, tank & reservoir water level detachable submersible cable hydrostatic liquid level sensor for multiple municipal water level measurement locations.
IMTG Low Cost OEM Submersible Tank Gauging Level Sensor - Economical pressure transducer for monitoring fluid level inside a tank where there is no external mounting point at the bottom of the tank.
- Measuring a 125 mm of water level range to 1mm accuracy
- 2m tank height, high temperature oil level sensor with 4-20mA out
- 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
- 6m range 4-20mA submersible animal feed tank level and PT100 sensor
- Underwater 50 metre sea depth 4-20mA output sensor
- 25m borehole submersible pump level indicator and control switch with level sensor
- High temperature water level transmitter for measuring up to 1 mWG
- Cooling tower basin water level transmitter
- Potable water underground 10ft dia storage tank temperature and level sensor
- Fleet management system submersible 3000mm height petrol tank level ATEX rated pressure sensor
- 3m range 4-20mA output submersible hot water tank level sensor
- 2 metre deep diesel tank level sensor for submersion
- Screw-in 2m height onboard marine vessel diesel tank base mount level sensor
- Dairy silo level sensor & display unit for reading content in litres
- 0.2 bar tank level pressure sensor for fuel oil up to 2m deep
- 100 meter IP68 sea water level transmitter with Marine & ATEX approval
- Seawater solution 60 inH2O hydrostatic pressure sensor for 190degF temperature
- 2 mWC waste water submersible pressure transmitter with 1/2 BSP female fitting
- Greenhouse clean water tank 15 mWG 4-20mA submersible level sensor
- Submersible 3mWG range 4-20mA output liquid level and PT1000 temperature sensor
- High temperature de-ionised water bath 300mm ATEX level sensor
- 10,000 mmH2O range 19mm dia borehole water level sensor
- 100 metre range, 1 inch diameter fresh water borehole level transducer with hazardous area 4 to 20mA output
- 6 metre range submersible freshwater level transmitter
- 4 metre range submersible freshwater level transmitter
- 1 metre deep raw sewage ATEX approved submersible level transmitter
- Submersible 0.5 metre deep fresh water level sensor
- 60 metre deep borehole pump water level and temperature sensor
- HART flameproof (Ex d) re-scalable level transmitter for hydrostatic head up to 2 metres
- Dockside sea water tide level transmitter up to 6 metres depth
- Low cost hydrostatic sensor for measuring depth of Diesel up to 2 metres
- Landfill level probe for measuring 6 metre depth of leachate
- Rainwater harvesting depth sensor for 1.25 metre deep tank
- 300 cm water level sensor for submersing in tank
- Sea water tank level sensor for 30 cm depth variation on ship
- 20 foot deep submersible salt water level transmitter for marine use
- Water depth and temperature transmitter for 700 foot deep borehole
- Freshwater 2 metre river depth submersible probe with 4-20mA output
- DNV / GL marine certified submersible seawater level transmitter for 0-3 metre depth
- 1 metre screw-in plastic level sensor for biodiesel/sulphuric acid mixture with 4 to 20 mA output
- 5 metre range high accuracy 4-20mA output non-corrosive liquid level sensor with G1/4 male external fitting
- 6m deep ballast tank level transmitter with marine certificate
- CIP protected dairy sensor for measuring level of milk in 6m high tank
- 5m deep sewage wastewater submersible level sensor
- Sulfuric acid 12-15% conc. drop-in level probe for 10m high tank
- 5m range 4-20mA output submersible seawater intake channel level sensor
- 9m 4-20mA ship fish storage seawater storage tank submersible level sensor
- 6m range 4-20mA output water tank level sensor for external fitting
- 3m range 4-20mA output submersible seawater dewatering tank level sensor
- 10m high chemical tank 4-20mA output submersible PVC and ceramic protected liquid level sensor
- 10m range high resolution 4-20mA out submersible freshwater tank level sensor
- 3m range 4-20mA submersible freshwater tank level sensor for dust suppression systems
- Desalination plant seawater feed tanks 5m range 4-20mA output submersible level sensor
- Grease trap waste receiving tank 2m range 4-20mA level transmitter
- Dairy farm 6m high milk storage vat 4-20mA level transmitter
- Dairy 100 deg C wash water tank 2m range submersible level sensor
- 1.6 mH2O submersible transmitter for wash water break tanks
- Fresh water compatible submersible 1mH2O range 4-20mA output pressure sensor
- 7mH2O hydrostatic level sensor with 4-20mA plus HART
- Ground water monitoring 10mH2O g range 4-20mA out level sensor
- 7mH2O g range 4-20mA out hydrostatic liquid level pressure sensor
- Water well 30mH2Og range 4-20mA out freshwater level sensor with RTD
- 10mH2Og borehole monitoring 4-20mA output submersible water level sensor
- 40 ftH2O Hydroelectric power plant tail water elevation & temperature sensor
- Level transmitter for waste water tank 10 feet deep
- Wastewater holding tank submersible 8 feet deep level monitoring pressure transmitter
- Retention pond 20 feet deep submersible water level sensor
- Genset hydrostatic sensor for measuring level of small diesel tank up to 12 inches
- Cement plant process water basin level sensor
- Raw leachate feed tank depth probe
- Diesel exhaust fluid tank level sensor for fleet storage
- IP68 sewage level transmitter for monitoring up to 6 metres depth of waste water
- Leachate holding tank, submersible level sensor for 5 meter depth
- 200 mbar diesel fuel oil tank level sensor for internal installation
- Swimming pool submersible pressure transmitter with 300 mbar range
- Dirty water, sludge & sewerage tank level 400 mbar pressure sensor
- 50cm range 4-20mA water level sensor for hot tub and spa service water tanks
- 120cm range 4-20mA submersible chemical tank level sensor for farm water line mineral injection
- 100 psig range 4-20mA output freshwater hydrostatic pressure transducer for tank level gauging use
- Contaminated groundwater submersible plastic body 5 psi pressure transducer & display
- Immersible sewage level transmitter for pressures up to 5 psi
- Immersible sewage level transmitter for pressures up to 15 psi
- 1 bar submersible water depth sensor with 4 to 20mA output
- 2 bar absolute range 4 -20 mA output submersible silicon diaphragm liquid level sensor
- 0.05 barg range 4-20mA out waterproof low range water level sensor
- 0.6 barg range 4-20mA output submersible silicon diaphragm liquid level sensor
- Canola oil tank hygienic level sensor & indicator with high temperature protection
- Plastic seawater depth probe with 20ft range & 4-20mA out
- Ferric Chloride solution hydrostatic level transmitter
- Floating dry dock ballast tank 14ft range 4-20mA output submersible seawater level sensor
- Filtered rainwater cistern 13ft range 4-20mA submersible drinking and cooking water level sensor
- -5…+50degC temperature and 10m range level dual 4-20mA submersible borehole transmitter
- ELPO car paint plant 40ft high wastewater tank level transmitter
- Drinking water approved 5ft range 4-20mA output submersible reservoir level sensor
- 12 inch range 4-20mA output submersible freshwater tank level sensor
- 50in range 4-20mA output chemical liquid level sensor with flush diaphragm and IS approval
- Farm drainage open well 60ft range 4-20mA output submersible liquid level sensor
- 140 inch range rangeable 4-20mA output wastewater level sensor and display for external fitting
- 16 inch range 4-20mA output submersible shallow water tank level sensor
- 280 inch range 4-20mA output urea tank flush diaphragm level sensor
- 40ft range 4-20mA output submersible hydroelectric dam headwater level sensor
- 65 inch range 4-20mA output intrinsically safe IBC tote wastewater level transmitter
- 10ft range 4-20mA output submersible sea tide depth sensor
- Generator fuel oil day tank drop-in 200mb hydrostatic level sensor
- Water temperature depth sensor for cooling tower sump
- Hi-temp level & temperature sensor for 50% NaOH solution
- Low cost, upstream/downstream, 5m range, fresh-water, weir level sensor
- 40 foot high diesel tank submersible pressure sensor
- Depth measurement of surface water flowing to sea
- Water well level monitoring in 3/4″ dia sounding tube to 300ft
- Hydropower reservoir submersible hydrostatic level transmitter & indicator
- Marine aquaculture submersible seawater level & temperature transmitter
- Protecting low range river level sensor from storm surges
- Small diameter dip well water level transducer
- Sea water corrosive resistant underwater level transmitter
- 20 foot deep detention water tank level sensor with 4 to 20 mA output
- 2 meters of freshwater depth, submersible pressure transmitter
- 3 metre / 10 foot fresh water level transmitter for OEM system integration
- 10 meter range submersible salt water level probe with current output
- 2.5 metre water level transmitter for submersing inside underground tank
- Water level transmitter for monitoring sump pit water depth
- Submersible 50 meter potable water depth transmitter
- Water tank level gauge transmitter with adjustable range
- Hydrophone array submersible 200 meter seawater depth sensor
- Geothermal pool high temperature submersible level transmitter
- 12ft high ink tank screw-in 4-20mA output level sensor
- 50 metre borehole water depth transmitter for dry running protection
- Hydrostatic level sensor and indicator for frothing oil tank
- River level sensor for run-of-the-river hydropower monitoring up to 4m
- Submersible rainwater tank level sensor for measuring 3.5m depth
- Water reservoir rangeable submersible depth transmitter
- Aquaculture submersible freshwater level & temperature transmitter