Model ELS

Float switch

For the process industry, in laterally mounted external chamber

Selected documents
Sales contact

WIKA Croatia d.o.o.

Tel.:
+385 1 6531-034
Fax:
+385 1 6531-357
info@wika.hr

Applications of the level switch

  • Mounting on engines, tanks, vessels or enclosures, where, due to a lack of space, installation within them is not possible
  • Use for turbulent liquid levels such as in oil sumps in large engines, gearboxes etc.
  • Pump and level control and monitoring of distinct filling levels
  • Chemical, petrochemical industry, natural gas, offshore, shipbuilding, machine building, power generating equipment, power plants
  • Process water and drinking water treatment

Special features of the level switch

    • Freely selectable switch position through fixing the float switch at the required level
    • Large range of application due to the simple, proven functional principle
    • For harsh operating conditions, long service life 
    • Operating limits:
      - Operating temperature: T = -30 ... +150 °C
      - Operating pressure: P = Vacuum up to 40 bar
      - Limit density: ρ ≥600 kg/m3

Description of the level switch

In an external chamber (bypass chamber), a float with a permanent magnet moves on a guide tube in relation to the liquid level, following the principle of communicating vessels. Within the guide tube is fitted a reed contact (inert gas contact), which is energised, through the non-magnetic walls of the float and guide tube, by the approach of the float magnet. By using a magnet and reed contact the switching operation is non-contact, free from wear and needs no power supply. The contacts of the level switch are potential-free.

The switching functions always refer to a rising liquid level.

The level switch is simple to mount and maintenance-free, so the costs of mounting, commissioning and operation are low.

Level switch, model ELS

Level switch, model ELS

  • Level switch, model ELS
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