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LMP633-NSN-H Submersible gauge pressure transmitter

Brief introduction

LMP633-NSN Submersible level transmitter is designed for dealing with the high accuracy and high overload demanding level measurement conditions. The sensor adopts the most advanced single crystal piezoresistive silicon 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.


Linear error and temperature error compensation of sensors achieve high precision.

Fully potting design to eliminate the condensation phenomenon, dual-seal design to assure permanent air tightness.

Laser welding isolated membrane technology to assure the durability.

Optional various sensor technologies to satisfy the application of viscous and acid-based occasions.


Pressure type: gauge pressure

Range: 0.5mH2O~200mH2O

Output signal: 4-20mA, 4-20mA+HART, 0.5-4.5VDC,Modbus-RTU/RS485, customer

Accuracy: ±0.1% URL, ±0.5% URL

Industry application

Water, waste water, oil


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