OTT Maximum Level Gauges

OTT Maximum Level Gauge to indecate max water level after flood or tide

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The OTT Maximum Level Gauge is a cost-effective measuring device that indicates the maximum water level by tidal waves or other level fluctuations over a color marking. It is based on the simple principle of color marking. The threshold level is used for preservation of evidence and provides accurate data for later post-processing of flood events.

  • Visual, color tape
  • Water level
  • Records high tide or surface water level
  • 1 m


Rugged cylinders made of Plexiglas and a fiberglass reinforced plastic measuring rod with easy to read E-scale in cm graduation

  • Self-adhesive, transparent ribbon to display the highest water level. To change the ribbon, you need to solve only one single screw.
  • Simple operation: water thaz rises in the cylinder, completely washes out the color to the respective water level
  • Clear result: A sharp dividing line between colored and colorless area enables accurate reading of the maximum water level.
  • Unaffected by waves and debris: The straining device acts as filter for coarse dirt and acts as a damping device preventing influence by wash of waves in the measuring cylinder.


Assembly instructions; Maximum level gauge G1