The LMP 331 Level Sensor 431-4000-1-1-1-1-100-5-000 delivers accurate and reliable continuous level measurement. Designed as a stainless steel screw-in transmitter, it ensures strong performance in demanding industrial environments.
The LMP 331 achieves standard accuracy of 0.35% FSO according to IEC 61298-2. Optional versions provide 0.25% or 0.1% FSO for higher precision applications.
Engineers benefit from minimal thermal effect during operation. Long-term stability ensures consistent measurement results over time. Maintain process control without frequent recalibration.
This transmitter supports nominal pressure ranges from 0…100 mbar up to 0…40 bar. The broad range allows flexible application across multiple systems.
Use it confidently in tanks, vessels, and pressurized systems. Adapt the device easily to specific pressure requirements.
The LMP 331 offers a 2-wire 4–20 mA output configuration. A 3-wire option provides 0–20 mA or 0–10 V output signals.
Additional signal options are available upon request. Integrate the sensor seamlessly into existing control systems.
The sensor features a durable stainless steel housing. The flush pressure port with G 3/4″ connection supports hygienic and reliable installation.
Strong construction ensures resistance to harsh media and environmental conditions. Rely on dependable performance in industrial processes.
The modular design allows high flexibility in configuration. Choose customer-specific pressure ranges when required.
Optional intrinsically safe Ex ia versions support hazardous areas with gases and dusts. SIL 2 versions comply with IEC 61508 and IEC 61511 for functional safety applications.
Drinking water certification according to DVGW and KTW expands suitability for water systems. Select different electrical connections to match project needs.
The LMP 331 performs reliably in plant and machine engineering. Energy industry systems benefit from its stable measurements. Environmental engineering projects, including water, sewage, and recycling systems, rely on its durability and precision.
Model: LMP 331
Part Number: 431-4000-1-1-1-1-100-5-000
Measuring Type: Continuous Level / Pressure
Accuracy: 0.35% FSO (optional 0.25% / 0.1%)
Nominal Pressure: 0…100 mbar to 0…40 bar
Output Signals: 4–20 mA (2-wire), 0–20 mA / 0–10 V (3-wire)
Pressure Port: G 3/4" Flush
Material: Stainless Steel
Safety Options: Ex ia, SIL 2
Applications: Industrial, Energy, Environmental Engineering