Stork Solutions

LMK 458 H Level Transmitter with HART®-communication for Marine and Offshore

Introducing the LMK 458 H Hydrostatic Probe: the ultimate solution for precise level measurement in service and storage tanks, with a special focus on shipbuilding and offshore applications. This cutting-edge probe boasts certification for these demanding industries. With an impressive operating temperature range of up to 85°C, it can withstand extreme conditions, making it suitable for measuring the pressure of diverse fluids. Moreover, the LMK 458 H is designed for intrinsic safe areas, ensuring safe and accurate measurements. At its core lies a self-developed capacitive ceramic sensor element, known for its exceptional overload resistance and compatibility with various mediums. Experience unrivalled performance and reliability with the LMK 458 H Hydrostatic Probe.

  • Range: from 60 cmH2O up to 200 mH2O
  • Outputs: 4 … 20 mA
  • Main Features: IS-Version Ex ia, diaphragm AI2O3 99.9 %

Product Highlights

The LMK458H Level Transmitter is a highly versatile and reliable instrument designed to measure nominal pressure from 0 … 60 cmH2O up to 0 … 200 mH2O. It features a 2-wire output signal of 4 … 20 mA, with the possibility of other output signals upon request. One of its standout features is its shipping approvals according to prestigious institutions such as Lloyd’s Register (LR), Det Norske Veritas (DNV), China Classification Society (CCS), and the American Bureau of Shipping (ABS), ensuring its compliance with international standards. With a compact diameter of 39.5 mm, it offers convenience without compromising performance. The LMK458H Level Transmitter also boasts HART® communication capability, allowing for easy setting adjustments of offset, span, and damping. It exhibits high overpressure resistance and long-term stability, making it suitable for demanding applications. Optional versions include the IS-version Ex ia, which is intrinsically safe for gas and dust, and the diaphragm AI2O3 99.9% for enhanced durability. Additionally, users can choose from different housing materials such as stainless steel and CuNiFe, as well as opt for a screw-in or flange version. The LMK458H Level Transmitter is complemented by a range of accessories, including assembling and probe flanges, and a mounting clamp, ensuring flexibility and ease of installation.


  • Water
    • Drinking water abstraction
    • Desalinisation plant
  • Shipbuilding/ Offshore
    • Ballast tanks
    • Draught monitoring
    • Level measurement in ballast and storage tanks

To download the latest datasheet click here: LMK 458 H

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