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Optoelectronic Level Switch - OLS-C04
Brand: WIKA Alexander Wiegand SE & Co. KGThe model OLS-C04 optoelectronic 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 at 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 receiver.
Features- Application with refrigerants
- Mounting position as required
- Accuracy ±2 mm
- Visual indication of the switching status
- Choice of electrical connections: PUR, PVC cable or circular connector M8
Specifications
Measurement Accuracy
- ± 2 mm
Minimum Distance from the Glass Tip to An Opposite Surface
- ≥ 20 mm with Electropolished surface
- ≥ 10 mm
Mounting Position
- as Required
Visual Indication of the Switching Status
- 1 LED
Process Connection G
- G 1/2” or 1/2” NPT (Male)
Responsiveness
- Option: Adjustable responsiveness (Trimmer) for other Liquids and foaming media
- Preset for the detection of refrigerants, aqueous media and oils
Medium Temperature
- -40° to +100° C
Ambient Temperature
- -30° to +70° C
Operating Pressure
- 0 to 4 MPa (0 to 40 bar)
Materials
- Case and process Connection
- Light Guide: Glass, fused within the Steel Case
Power Supply
- DC 12 ... 32 V
Maximum Current Supply
- 40 mA
Electrical Connection
- Circular Connector: M8 x 1 (3-Pin)
- Cable end: Cut to length
- Diameter: 3 x 0.25 mm²
- PUR, PVC Cable: Cable length freely definable
Output Signal
- PNP transistor, Protected Against Reverse Polarity, 200 mA switching Current
Switching Function
- Normally Open (Closed in medium) or Normally Closed (Open in medium)
Ingress Protection
- IP65
Number of Switch Points
- 1
- Level monitoring in refrigeration plants