OTT/Lufft PLS Pressure Level Sensor, 0 – 4 m, RS-485

The OTT PLS measures water level, depth to water, or pressure by means of an integrated controller and ceramic pressure-measuring cell. Design features such as multiple communication outputs (SDI-12 or 4-20 mA), stainless steel housing, and a rugged cable make this sensor ideal for monitoring water level in a variety of applications.

Key Features

  • The robust ceramic pressure cell offers industry-leading accuracy and does not deform over time like membrane technology, providing long-term measurement stability.
  • Built-in microcontroller – compensates for temperature effects and applies correction values for gravitational acceleration and water density.
  • Ceramic pressure cell resistant to physical force (5 x burst pressure) and enclosure made of high-quality saltwater resistant steel for use in coastal environments.
  • Vented pressure probe, automatically compensates for changes in barometric pressure.
  • Water temperature output in addition to water level (for SDI-12 output).
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