Model OLS-C04

Optoelectronic OEM level switch

Compact design, refrigerant version with transistor output

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Applications

  • Level monitoring in refrigeration plants

Special features

  • Application with refrigerants
  • Mounting position as required
  • Accuracy ±0.5 mm
  • Visual indication of the switching status
  • Choice of electrical connections: PUR cable or connector M8

Description

The model OLS-C04 optoelectronic OEM level switch is used for monitoring the level of liquids. The optoelectronic sensor consists of an infrared LED and a light receptor.

The light from the LED is directed into a prism which forms the tip of the sensor. So long as the tip is not immersed in liquid, the light is reflected within the prism to the receptor.

When the liquid rises within the vessel and surrounds the tip, the light beam is interrupted by the liquid, so that the reactor is no longer or only weakly reached by the light and reacts to this change by triggering a switching operation.

The switching status can be read directly on the sensor (red LED).

The model OLS-C04 level switch can be used in refrigeration plants, since the glass prism is fused within the steel case.

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