Ecolevel Series

The Ecolevel, from Bühler, is an efficient and inexpensive solution for the control of liquid levels and temperature levels for small oil reservoirs in the hydraulic and lubrication industries.

Ecolevel provides a modern digital display for oil temperature. The readings can be either in °C or °F and the display has two programmable outputs which can be configured as contacts (PNPor NPN) or as one frequency output 1-100 Hz plus one contact, this allows a cost effective interface with a PLC.

Immersion body:

  • Max. operating pressure 1 bar
  • Operating temperature -20 °C to +80 °C
  • Gravity of fluid 0.8 kg/dm³


  • Screw-in body aluminium anodized
  • Immersion pipe brass
  • Float PU (Polyurethane)
  • Gasket NBR

Level contacts:

  • Type K40
  • Operating pressure max. 36 V
  • Current max. 0.5 A
  • Contact load max. 5 VA


  • Type M12x1
  • Number of poles 4
  • Protection class IP67


  • Approx. 70 g

Speak to our filtration technology division about your factory automation requirements.


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