LEEG LMP633-NSN-S Submersible Level Transmitter

LMP633 Submersible level transmitter is designed for dealing with the most severe demanding level measurement conditions.


LMP633 Submersible level transmitter is designed for dealing with the most severe demanding level measurement conditions. It is the optimal choice to satisfy all of high demand level measuring applications.


LEEG Instrument

LEEG Instrument

LEEG Instruments is committed to provide excellent performance of measure and control instruments in the area of industrial automation, which implement measurement and control procedures more efficient, more environmentally friendly and safer. As one of the most innovative provider of measuring instruments solution, LEEG take technology, innovation, and profession as the core concept and try best to supply the highest quality products and services to continually create maximum value for customer, and help clients achieve outstanding achievements.

LEEG have over 15 years experience in manufacturing and utilizing hundreds of thousands of products in industry application. We have two core technics: sensor technic and circuit board technic. Our profound understanding to the product application and strong technical background ensure you the best products solutions.


  • The sensor adopts the most advanced micro- processor technology with comprehensive linear error compensation and temperature error compensation to assure the highest precision of measuring result.
  • The probe adopts full potting condensation- preventing technology, safe and reliable dual- seal design and fully welding technology with solid stainless steel body to assure long term stability and permanent air tightness.
  • Signal transmitting module adopts transient voltage resistance protective circuits to assure operation regularly even under the harsh surge voltage environment.
  • The seal of the cable adopts intensive cone plug sealing design to assure the long working life even under large mechanical load conditions during the installation and long-term use.


  • Depth or level measurement in wells and open waters
  • Ground water level measurement


  • Measuring range: 0.5mH2O – 200mH2O
  • Output signal: 4-20mA, 4-20mA+HART, 0.5-4.5VDC, Modbus-RTU/RS485, others
  • Reference accuracy: ±0.1% URL, ±0.5% URL
  • Media temperature: -10~ 70℃
  • Sensor type: Piezoresistive silicon pressure sensor
  • Diaphragm: Stainless steel SUS316
  • Sensor seal: O-ring(FKM), stainless steel welding