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H2Flow Pump Protection Systems

H2Flow Power MonitorsH2Flow (formerly Emotron) manufactures load and power monitors for pump and industrial equipment protection, soft starters and variable frequency drives (VFDs).

H2Flow Monitors have short response times to shut off your pump if it begins to cavitate or run dry, dangerous conditions that can quickly destroy a pump. Additionally, H2Flow Monitors ensure that your pump is running within specified parameters and will prevent motor overload.

H2Flow load monitors monitor "true power," not just current. The AC induction motors that drive mechanical equipment are typically operating at only 50% or less of their rated full power. Up until a motor reaches 60% of its rated power, the current consumed varies only slightly, while the true power changes considerably and uniformly as load is applied.

Therefore, it is much more accurate and reliable to measure true power instead of current across the full range of the motors load. Measuring current on a lightly loaded motor simply doesn't work.

H2Flow Controls provide the following benefits:

  • Easy to set
  • No external sensors required
  • Stop pump and / or trigger alarm when unacceptable change in motor load detected
  • Simple and economical
  • Programmable delay times eliminate false alarms
  • Reliable and maintenance free

Learn More About H2Flow Controls, Inc.


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  • 2475 Wyandotte Road
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