LLC (Liquid Level Controller)

A differential pressure based filling or emptying liquid level controller for one or two pumps


The Liquid Level Controller (LLC) is designed to sense the level in a container via a pressure sensor (see below illustration) and then control the liquid level in the container by switching 1 or 2 pumps.

  • Replaces 5 floats
    • alarm bottom
    • off level
    • pump A or B level
    • pump A & B level
    • alarm top
  • No floats cluttered
  • No floats covered in filth
  • No floats that needs to be cleaned
  • User Interface with 32 character LCD
  • Programmable for filling or emptying a container
  • Flip-Flop function between pumps
  • High & Low level alarm
  • High & Low temperature alarm
  • Easy to calibrate (user friendly)
  • DIN Rail Mountable
  • Rugged Steel Enclosure
Technical Specs (LLC)
Supply Voltage: V1→V2=230VAC
Frequency Range: 40→70 Hz
Consumption: 7 VA
3 Relays: 230V:8A
Temp Range: -15→+70°C
Weight (LLC Only): 1kg
Dimensions (LLC Only): 122 x 119 x 65 mm
Weight (Kit): 1.7kg
Dimensions (Kit): 400 x 290 x 75 mm
Technical Specs (Probe)
Pressure Type: Differential
Pressure Sensor Range: 10→100kPa
Temperature Sensor Range: -15→+80°C
Standard Cable Length: 6 m
Exposed Materials: PVC, Poly-Urethane, Silicone and ABS-plastic
Weight: ±650 g
Dimensions: Ø=48mm, L=192mm

SKU: 04181 Category: