Ultrasonic Sensors: QS18U Series

QS18U
QS18U
QS18U cable
TubeFill_QS18U

Low-cost ultrasonic sensor in popular WORLD-BEAM housing

  • Detects clear or transparent material and color variations
  • Senses within a 50 to 500 mm window with a 15 millisecond response time
  • Offers wide operating range of -20° to 60° C
  • Compensates for variations in air temperature
  • Delivers high accuracy in wet or dirty environments
  • Available in encapsulated models rated IP67 or IP68 for a range of harsh conditions
  • Offers 12 to 30V dc supply voltage with NPN or PNP output, depending on model
  • Features push-button TEACH for easy programming at the sensor or remotely
  • Includes bright LED operating status indicators visible from 360°

       

Technical Literature

Date
Type
Size
WORLD-BEAM QS18U Ultrasonic Series
07/31/15
Datasheet
543K
Wave Guide Accessory (UWG18-..)
02/09/07
Datasheet
268K

Marketing Literature

Date
Type
Size
Ultrasonic Solutions Flyer
06/11/13
Product Brochure
1.5MB
(Part J) 2006-07 Sensor Catalog (Pg 285-310) - U-GAGE Sensors
04/04/06
Catalog
2.2MB
Liquid Soap Level Detection
Liquid Soap Level Detection

The WORLD-BEAM QS18U ultrasonic sensor monitors the level of soap in a tank in a car wash. The sensor is mounted atop the reservoir, aiming through the transparent top. The sound waves bounce off the surface of the liquid.

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+- Analog Resolution/Discrete Repeatability

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  1. QS18UNA

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50 to 500 mm; Input: 12-30 V dc
    Output: NPN
    2 m (6.5 ft) Cable

  2. QS18UPA

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    2 m (6.5 ft) Cable

  3. QS18UPAQ5

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Euro 150 mm (6 in) Quick-Disconnect

  4. QS18UPAQ8

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Euro Integral Quick-Disconnect

  5. QS18UNA W/30

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50 to 500 mm; Input: 12-30 V dc
    Output: NPN
    9 m (30 ft) Cable

  6. QS18UNAE

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    2 m (6.5 ft) Cable

  7. QS18UNAE W/30

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50 to 500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    9 m (30 ft) Cable

  8. QS18UNAEQ

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    Pico 150 mm (6 in) Quick-Disconnect

  9. QS18UNAEQ5

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    Euro 150 mm (6 in) Quick-Disconnect

  10. QS18UNAEQ7

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic Teach mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    Pico Integral Quick-Disconnect

  11. QS18UNAEQ8

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN; Epoxy-encapsulated
    Euro Integral Quick-Disconnect

  12. QS18UNAEQPMA

    logo with r symbol

    WORLD-BEAM QS18U Series Epoxy-Encapsulated
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN
    Euro 150 mm (6 in) Quick-Disconnect

  13. QS18UNAQ

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN
    Pico 150 mm (6 in) Quick-Disconnect

  14. QS18UNAQ5

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN
    Euro 150 mm (6 in) Quick-Disconnect

  15. QS18UNAQ7

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN
    Pico Integral Quick-Disconnect

  16. QS18UNAQ8

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50 to 500 mm; Input: 12-30 V dc
    Output: NPN
    Euro Integral Quick-Disconnect

  17. QS18UNAQPMA

    logo with r symbol

    WORLD-BEAM QS18U Series Sensors
    Range: 50-500 mm; Input: 12-30 V dc
    Output: NPN
    Euro 150 mm (6 in) Quick-Disconnect

  18. QS18UPA W/30

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    9 m (30 ft) Cable

  19. QS18UPAE

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    2 m (6.5 ft) Cable

  20. QS18UPAE W/30

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    9 m (30 ft) Cable

  21. QS18UPAEQ

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    Pico 150 mm (6 in) Quick-Disconnect

  22. QS18UPAEQ5

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    Euro 150 mm (6 in) Quick-Disconnect

  23. QS18UPAEQ7

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    Pico Integral Quick-Disconnect

  24. QS18UPAEQ8

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic remote TEACH
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP; Epoxy-encapsulated
    Euro Integral Quick-Disconnect

  25. QS18UPAEQPMA

    logo with r symbol

    WORLD-BEAM QS18U Series Epoxy-Encapsulated
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Euro 150 mm (6 in) Quick-Disconnect

  26. QS18UPAQ

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Pico 150 mm (6 in) Quick-Disconnect

  27. QS18UPAQ7

    logo with r symbol

    WORLD-BEAM QS18U: Ultrasonic TEACH mode
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Pico Integral Quick-Disconnect

  28. QS18UPAQPMA

    logo with r symbol

    WORLD-BEAM QS18U Series Sensors
    Range: 50-500 mm; Input: 12-30 V dc
    Output: PNP
    Euro 150 mm (6 in) Quick-Disconnect