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LMK 858 Separable Plastic Level Transmitter

LMK 858 Separable Plastic Probe: Precision level measurement in aggressive media, perfect for viscous substances like sludge with its semi-flush diaphragm. Features an easy-to-use connector system for quick probe head replacement, reducing downtime. Ideal for efficient stock-keeping and maintenance, offering unrivalled performance and convenience in challenging environments.

LMK 858 Detachable Probe Product Parameters

  • Pressure Ranges: 0-40 cmH2O to 0-100 mH2O
  • Output Signal: 2-wire 4-20 mA, other options available
  • Accuracy: High precision with excellent chemical resistance
  • Electrical Connections: Detachable cable assembly, various cables and elastomers available
  • Process Connections: 45 mm diameter, easy-to-connect sensor head
  • Media Compatibility: Housing made of PP-HT, optional diaphragm in 99.9% AI2O3
  • Special Features: Integrated lightning protection, 8 kA gas discharge tube, 4 kV surge protection


Product Highlights

The LMK858 Level Transmitter offers a versatile solution for measuring pressure in a range of 0 … 40 cmH2O up to 0 … 100 mH2O. It features a 2-wire output signal of 4 … 20 mA, with the option for other signals upon request. This level transmitter boasts several special characteristics, including its compact diameter of 45 mm, making it suitable for various applications. The cable assembly and sensor head are detachable, providing convenience during installation and maintenance. Moreover, the LMK858 exhibits exceptional chemical resistance, thanks to its housing made of PP-HT material. It is designed with integrated lightning protection and increased overvoltage protection, offering reliable performance in challenging environments. The gas discharge tube with an 8 kA capacity (8/20 µsec) ensures robust lightning protection, while the 4 kV surge l-l/l-e protection conforms to EN61000-4-5 standards. Additionally, the LMK858 Level Transmitter offers optional versions with a 99.9% AI2O3 diaphragm, different cable types, elastomers, and the possibility of cable protection upon request.


  • Sewage
    • Wastewater treatment
    • Dumpsite
    • Water recycling
  • Aggressive Media
    • Level measurement in most of acids and lyes

To download the latest datasheet click here: LMK 858

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