Liquid level transmitters with a 4 to 20 milliamp current loop output signal for determining liquid depth or the fluid level by measuring the hydrostatic pressure.
A 4-20mA output hydrostatic level transmitter is commonly used as part of an on-site control & monitoring system to manage quantity of liquids and ensuring minimum and maximum liquid levels are not exceeded.
Select a 4 to 20 mA current output hydrostatic level sensor for controlling a pump in a borehole or managing the contents of liquid storage tanks.
Products
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.
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
DPT200 Pressurised Tank Level Differential Pressure Transmitter
18.605 G Low Cost Submersible Diesel Fuel and Water Tank Level Sensor
LMK307 Submersible Waste Water Level Sensor
LMP305 Borehole Level Transmitter
Application Specified Products
- 50 metre borehole water depth transmitter for dry running protection - Immersed liquid level sensor for use with borehole pumps to protect from dry running.
Water depth and temperature transmitter for 700 foot deep borehole - I want to measure water depth and temperature in a bore hole to a depth pressure of 700 ftH2O. 
Water well level monitoring in 3/4″ dia sounding tube to 300ft - Need to do long term monitoring of water levels in water production wells through 3/4 inch sounding tubes
3m range 4-20mA submersible freshwater tank level sensor for dust suppression systems - A submersible liquid level sensor for submerging in a dust suppression system freshwater tank and measuring the depth over a range of 0 to 3m from the flush diaphragm, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
Hi-temp level & temperature sensor for 50% NaOH solution - Submersible sensor for measuring both level and temperature of 50% Sodium Hydroxide (NaOH) solution.
CIP protected dairy sensor for measuring level of milk in 6m high tank - 4-20mA output sensor for measuring the volume of milk in a milk silo which is 6 metres high.
Farm drainage open well 60ft range 4-20mA output submersible liquid level sensor - Low cost submersible water level sensor with ceramic thick film strain gauge technology for measuring farm drainage open well over 0 to 60 ftH2O hydrostatic pressure range and sending out a 4 to 20 milliamps signal.- Aquaculture submersible freshwater level & temperature transmitter - Use this dual output transmitter for monitor or controlling the water level and temperature of freshwater ponds & tanks used in aqua farming.
- Hydrophone array submersible 200 meter seawater depth sensor - Submersible pressure sensor which can be connected at the end of our hydrophone cable to measure the water depth.
- Sea water tank level sensor for 30 cm depth variation on ship - Level sensor for sitting in a sea water tank on a ship deck to measure depth variation between 0-30cm.
Wastewater holding tank submersible 8 feet deep level monitoring pressure transmitter - Submersible pressure transmitter with a flush diaphragm & intrinsic safety approval for measuring the level of wastewater in a holding tank which is 8 feet high.
High temperature water level transmitter for measuring up to 1 mWG - 2 wire 4-20mA loop transmitter for measuring the level of high temperature water up to 1 meter (3.3 feet).