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LMP305 Borehole Level Transmitter

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Submersible stainless steel pressure transmitter ideal for geotechnical surveying with a 19mm diameter for measuring hydrostatic water level in bore-holes. This small diameter level sensor has level ranges from 1 up to 250 metres water column and a 4-20mA current loop output signal.

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The LMP 305 bore-hole level sensor has a 316 stainless steel body with IP68 sealing for permanent immersion in water. The sensing element is a miniature silicon chip diaphragm which is mounted inside an oil filled capsule to provide a narrow size with enhanced accuracy & sensitivity performance.

Technical Summary

Hydrostatic Level Ranges: from 1 up to 250mH2Og

Accuracy: ±0.175% FS BSL NLHR > 4mH2O, ±0.25% < 4mH2O

Output Signal: 4 to 20mA current loop

Electrical Connections: PUR, PVC or FEP vented cable sealed to IP68

Pressure Connection: Removable protection cone

Media Compatibility: Stainless steel 316Ti housing, stainless steel 316L diaphragm

Dimensions: 19mm diameter

Weight: 100 g

Special Features: Small diameter, low ranges

Special Options: Aluminium cable termination box with PT100 transmitter and/or over-voltage protection

Related Products

Accessories for liquid level sensors

Other small diameter borehole level sensors

Submersible liquid level loggers

Resources

Guide to pressure sensor terminology

Conversion table for liquid level pressure units

Converter for hydrostatic pressure units

Download Product Information

LMP305 Data Sheet

Cable Termination Box data sheet

LMP305 operating manual

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Site Last Updated: 07/10/08

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Pressure Measurement Glossary - Find explanations of terminology used for specifying and using pressure instruments

Pressure Unit Conversion - Look up conversion factors or select a conversion table for a particular pressure unit

Pressure Sensor Specification - Select parameters with PSAT to generate a spec for your own use or to submit as an enquiry

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