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LMK 487 Level Transmitter for Marine and Offshore 22 mm

Meet the LMK 487 Hydrostatic Probe: ideal for level measurements in shipbuilding and offshore tanks. Compact (22mm diameter) and easy to install in 1″ pipes. It surpasses the LMK 458 with improved performance and versatility. Made of high-quality stainless steel and titanium, with various elastomer choices for perfect application fit. Depend on the LMK 487 for precise, reliable tank measurements.

LMK 487 Probe Product Parameters

  • Pressure Ranges: 0 … 1 mH2O to 0 … 100 mH2O.
  • Output Signal: 2-wire: 4 … 20 mA, others available.
  • Accuracy: High long-term stability.
  • Electrical Connections: Optional temperature element Pt 100.
  • Process Connections: Diverse elastomer options.
  • Media Compatibility: Diaphragm 99.9% Al2O3.
  • Special Features: 22mm diameter, LR-certificate, DNV▪GL Approval, titanium housing, IS-version Ex ia.



Product Highlights

The LMK487 Level Transmitter is a versatile device designed for precise measurement of pressure in a wide range of applications. With a nominal pressure range from 0 … 1 mH2O up to 0 … 100 mH2O, it offers excellent performance and accuracy. The transmitter provides a 2-wire output signal of 4 … 20 mA, with the option for other output signals upon request. One of its special characteristics is its compact size, with a diameter of only 22 mm, making it suitable for installations with limited space. Additionally, it boasts a LR certificate from Lloyd’s Register and DNV▪GL Approval from Det Norske Veritas ▪ Germanischer Lloyd, ensuring its compliance with stringent industry standards. The diaphragm of the transmitter is made of 99.9% Al2O3, guaranteeing robustness and durability. It also offers high long-term stability, making it a reliable choice for long-term operations. Furthermore, the LMK487 Level Transmitter comes with various optional versions, including a housing material option in titanium, an IS-version Ex ia for intrinsic safety in gas and dust environments, a temperature element Pt 100, and different types of elastomer, providing flexibility to meet specific application requirements


  • Water
    • Drinking water abstraction
    • Desalination plant
  • Shipbuilding/ Offshore
    • Ballast tanks
    • Monitoring of a ship’s position and draught
    • Level measurement in ballast and storage tanks

To download the latest datasheet click here: LMK 487

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