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SIGMA is a US manufacturer that specializes in AV Flowmeters, Samplers, and Rain 
Gauge instrument. In 1997, Sigma became part of the Hach Company family.

MARSH-MCBIRNEY is a US manufacturer that specializes in Open Channel Flowmeters. For over 35 years, Marsh- McBirney has provided innovative and award winning open channel flowmeters designed for both portable (short-term) and permanent (long-term) flow monitoring applications. In 2006, Marsh- McBirney became part of the Hach Company family.




Level Sensor

Sigma Pressure


Level Sensor



Details

The Sigma Pressure Level Sensor is submerged in the flow and designed to work well with primary devices. This power-friendly sensor collects accurate flow data in surcharge conditions or even if buried under silt.

Additional Features:

  • Very low power requirement
  • Responds quickly to changes in level, making it a good option for sites downstream of a pump station

Specifications

Parameters

 
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