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Optoelectronic Level Switch - OLS-C20

Brand: WIKA Alexander Wiegand SE & Co. KG

The model OLS-C20 optoelectronic level switches are used for the detection of limit levels in liquids. 

This is widely independent of physical characteristics such as refractive index, colour, density, dielectric constant and conductivity. Measurement is also done in small volumes.
Features
  • Compact design, no moving components. 
  • Temperature ranges from -30 … +135 °C. 
  • Versions for pressure ranges from vacuum to 50 bar. 
  • Mounting position as required. 
  • Visual indication of the switching status. 

Specifications

Measuring Accuracy

  • ± 0.5 mm

Light Source

  • IR light 930 nm

Ambient Light

  • Maximum 10,000 Lux

Minimum Distance from the Glass Tip to An Opposite Surface

  • > 10 mm
  • > 20 mm with Electropolished surface

Mounting Position

  • as Required

Visual Inspection

  • Switching Status: Green LED
  • Switching direction: is factory-set

Medium Temperature

  • -30° to +135° C

Ambient Temperature

  • -25° to +70° C

Pressure Range

  • 0 to 50 bar

Materials

  • Sensor housing: Stainless Steel
  • Light Guide: Quartz Glass
  • Packing: Graphite/PTFE
  • Case: Stainless Steel

  • Level measurement for liquid media
  • Level control and monitoring of distinct filling levels
  • Machine building
  • Wastewater and environmental engineering

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