LM3 Slim Line All-Purpose Submersible Transmitter



  • Appropriate for all hazardous areas where an intrinsically safe rating is required, including oil & gas and chemical installations


  • Slimline probe is especially suited for applications with restricted space
  • Designed for continuous level measurement in water or other liquids with low viscosity
  • 316L SS probe with stainless steel sensor for ease in cleaning
  • Available ranges from H2O up to 300 psi
  • ±0.35% accuracy rating
  • NEMA 6P / IP68
  • Approved for outdoor use
  • Customizable
  • RoHS compliant
  • 5 year warranty


Output Signal Standard 2-wire: 4-20 mA  / Vs = 12-36 Vdc

<±0.35% FSO BFSL

Optional nominal pressure > 5 psi: <±0.25% FSO BFSL

Permissible Load Rmax = [(Vs – Vs min) / 0.02] Ohm
Influence Effects

Supply: 0.05% FSO / 10 V

Load: 0.05% FSO / kOhm

Long-term Stability <±0.1% FSO/yr
Response Time <10 ms
Permissible Temperatures

Medium: 14°F to 158°F (-10°C to 70°C)

Storage: -13°F to 158°F (-25°C to 70°C)

Reverse Polarity Protection No damage. No function.
Electromagnetic Compatibility Emission and immunity according to EN 61326
Electrical Connection Cable with sheath material*: PVC grey, PUR black, FEP black
Housing 316Ti SS
Seals FKM  / EPDM 
Diaphragm 316L SS
Weight 100 g (without cable)
Current Consumption 25 mA max
Connecting Cables

Cable capacitance: Signal line/shield and signal line/signal line: 160 pF/m

Cable inductance: Signal line/shield and signal line/signal line: 1 µH/m

Enclosure Rating NEMA 6P / IP68
 *Cable with integrated air tube for atmosphere pressure reference

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