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LMP 331 Screw-In Level Transmitter

LMP 331 Screw-in Transmitter: Engineered for reliable, accurate level measurement across various applications. Features robust construction and a modular design for adaptability. Offers optional intrinsically safe and SIL 2 versions, suitable for diverse plant and system needs. Ideal for effective and safe level measurement processes.

LMP 331 Screw In Transmitter Product Parameters

  • Pressure Ranges: 0-100 mbar to 0-40 bar
  • Output Signal: 2-wire 4-20 mA, 3-wire 0-20 mA/0-10 V
  • Accuracy: Excellent, with minimal thermal effect and long-term stability
  • Electrical Connections: Various options available, including customer-specific
  • Process Connections: Pressure port G 3/4″ flush
  • Media Compatibility: High accuracy, suitable for various gases and dusts
  • Special Features: 0.1% FSO accuracy, intrinsically safe (Ex ia), SIL 2 compliant, customisable options




Product Highlights

The LMP331 Level Transmitter is a versatile and reliable device designed to accurately measure pressure across a wide range. With a nominal pressure from 0 … 100 mbar up to 0 … 40 bar, it offers flexibility in various applications. The transmitter provides two output signal options: 2-wire with a range of 4 … 20 mA and 3-wire with options of 0 … 20 mA or 0 … 10 V. Upon request, the LMP331 can be customised to accommodate other output signals. One of its standout features is the pressure port G 3/4″ flush, ensuring seamless integration into different systems. The transmitter boasts excellent accuracy, minimising errors in pressure measurements, while its small thermal effect ensures reliable performance even in fluctuating temperatures. Furthermore, the LMP331 exhibits exceptional long-term stability, ensuring consistent and reliable measurements over extended periods. Additional optional versions are available, such as the accuracy 0.1% FSO IEC 60770, the IS-version with intrinsic safety for gases and dusts (Ex ia), and the SIL 2 application compliant with IEC 61508 / IEC 61511 standards. The device also offers various electrical connection options and can be tailored to customer-specific requirements, including special pressure ranges. The LMP331 Level Transmitter is a robust and adaptable solution for precise pressure measurement needs.


  • Plant and machine engineering
  • Energy industry
  • Environmental engineering (water-sewage-recycling)

To download the latest datasheet click here: LMP 331

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