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Danfoss

Electronic load sensing

Adjust supply to demand with ELS systems

ELS systems adjust supply to demand. If the hydraulic pressure needs to be increased or decreased the ELS system ensures that the pressure and flow is adjusted to the actual demand. This significantly increases the efficiency of the hydraulic system and thereby reducing emissions and increasing system lifetime.

Pressure transmitters provide input to the ELS system by detecting the work port pressure and sending the information to an electronic controller connected to the pump.

 

 Typical specifications

  • Pressure range: 40 – 500 bar
  • Temperature range: -40 – 125 °C
  • Accuracy: 0.5% FS
  • Response time typically < 1 mS
  • Overpressure: 3 x FS
  • Burst pressure: 10 – 20 x FS

Features and benefits

  • High burst and over pressure capabilities due to fully welded design

  • Resistant towards cavitation and liquid hammering

  • Good vibration and shock stability

  • Excellent EMC immunity

  • Zero drift due to excellent long term stability

  • Wide range of electrical and pressure connections

  • Wetted parts made of stainless steel

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