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HL3  Level Controller

View Datasheet       

  • "Fill" or "Empty" mode of operation
  • Control the level of liquids or granular solids
  • Non-Invasive - sensors operate through container walls 
  • 48 x 48 mm DIN panel mounting, plug in case  or DIN rail versions
  • 10Amp single pole relay output
  • Voltages from 12-24 VDC & 115 and 240 VAC
  • Inputs from sensors or contacts
  • 12VDC output for powering sensors
  • Standard 11 pin plug in base or screw terminals
 

Mode of Operation:     The HL3 controller is designed to maintain the level of a liquid, powder or granular solid between two fixed limits in a vessel. It can either restore the level to the higher limit when the low limit is reached (Fill mode) or reduce the level to the lower limit when the upper level is reached ( Empty mode). This is acheived by using two sensors (capacitive, inductive, photoelectric or float switch) which can be powered by the HL3 itself, to sense the level of the liquid in the container and to control pumps or valves to add or remove liquid from the container.

    The type of sensor used will depend on the material being held in the vessel and the material of the vessel itself. With non-metallic vessels the sensors can be used to sense through the vessel walls and avoid any intrusion into the container.

Specification

Modes: Auto fill or auto empty
Relay output: Single pole changeover  contacts - 5 amp at 240VAC or 30VDC
Supply: 115/240 VAC or 12 - 30 VDC
DC output 12VDC @ 50mA for powering sensors
Housing:  48mm x 48 mm DIN standard panel mounting or plug in plastic

92x75x22.5 DIN rail case

Dimensions: 48 x 48 x 135 mm
Panel Cutout: 45 x 45 mm
Connections:  11 pin standard plug in base/screw terminals
Order code:    

HL3

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