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  • Compact High Speed Ultrasonic Sensor

    QS18U Series

    QS18U
    QS18U
    QS18U cable
    QS18U Tube Filling Application

    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
    Wave Guide Accessory (UWG18-..)
    7 Dec 2023
    Datasheet
    690K
    Ultrasonic Sensor Comparison Chart
    9 Jun 2022
    Specifier's Guide
    648K
    QS18U Ultrasonic Series
    28 Jul 2021
    Datasheet
    684K
    Date
    Type
    Size
    QS18U Ultrasonic Series (French)
    06/02/22
    Datasheet
    721K
    Date
    Type
    Size
    QS18U Ultrasonic Series (German)
    06/20/22
    Datasheet
    722K
    Date
    Type
    Size
    QS18U Ultrasonic Series (Italian)
    06/20/22
    Datasheet
    715K
    Date
    Type
    Size
    QS18U Ultrasonic Series - Japanese
    04/18/11
    Datasheet
    927K

    Marketing Literature

    Date
    Type
    Size
    Sensor Selection Guide
    Sensor Selection Guide
    12 Dec 2024
    Product Brochure
    2.8MB
    Life Science Industry Solutions Brochure
    15 Jan 2024
    Product Brochure
    2.4MB
    Ultrasonic Solutions Flyer
    11 Jun 2013
    Product Brochure
    1.5MB
    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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    Cable Length (m)

    • (10)
    • (1)
    • (4)
    • (3)

    IP Rating

    • (14)
    • (10)

    Connection

    • (7)
    • (6)
    • (11)

    Quick Disconnect Type

    • (11)
    • (6)

    Feature: Quick Disconnect

    • (17)
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    1. QS18UPAQ8

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      4-pin M12 Integral QD

    2. QS18UPAQ5

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      150 mm (6 in) 4-pin M12 Pigtail QD

    3. 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

    4. QS18UNAQ8

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN
      4-pin M12 Integral QD

    5. QS18UNAQ5

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN
      150 mm (6 in) 4-pin M12 Pigtail QD

    6. QS18UNA

      logo with r symbol

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

    7. QS18UPAQ7

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      4-pin M8 Integral QD

    8. QS18UPAEQ8

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic remote TEACH
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP; Epoxy-encapsulated
      4-pin M12 Integral QD

    9. QS18UNA W/30

      logo with r symbol

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

    10. 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

    11. QS18UPAQPMA

      logo with r symbol

      WORLD-BEAM QS18U Series Sensors
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      150 mm (6 in) 4-pin M12 Pigtail QD

    12. 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

    13. QS18UNAE W/30

      logo with r symbol

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

    14. QS18UNAEQ

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic remote TEACH
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN; Epoxy-encapsulated
      150 mm (6 in) 4-pin M8 Pigtail QD

    15. QS18UNAEQ5

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic remote TEACH
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN; Epoxy-encapsulated
      150 mm (6 in) 4-pin M12 Pigtail QD

    16. QS18UNAEQ8

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic remote TEACH
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN; Epoxy-encapsulated
      4-pin M12 Integral QD

    17. QS18UNAQ

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN
      150 mm (6 in) 4-pin M8 Pigtail QD

    18. QS18UNAQ5 -CNBL01

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN
      500 mm (20 in) 4-pin M12 Pigtail QD

    19. QS18UNAQ7

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: NPN
      4-pin M8 Integral QD

    20. 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

    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
      150 mm (6 in) 4-pin M8 Pigtail QD

    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
      150 mm (6 in) 4-pin M12 Pigtail QD

    23. QS18UPAEQPMA

      logo with r symbol

      WORLD-BEAM QS18U Series Epoxy-Encapsulated
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      150 mm (6 in) 4-pin M12 Pigtail QD

    24. QS18UPAQ

      logo with r symbol

      WORLD-BEAM QS18U: Ultrasonic TEACH mode
      Range: 50-500 mm; Input: 12-30 V dc
      Output: PNP
      150 mm (6 in) 4-pin M8 Pigtail QD

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