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    Sensor

    Compact photoelectric sensors SICK W34

    Type:WT34-B420
    Part No.:1019230
    Features
    Device type Photoelectric sensors
    Sensor/ detection principle Photoelectric proximity sensor, Background suppression
    Dimensions (W x H x D) 27 mm x 92 mm x 70 mm
    Housing design (light emission) Rectangular
    Sensing range max. 100 mm ... 2,500 mm 1)
    Sensing range 100 mm ... 2,500 mm
    Type of light Infrared light
    Light source LED 2)
    Light spot size (distance) Ø 80 mm (2,500 mm)
    Adjustment Potentiometer
    • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
    • 2) Average service life: 100,000 h at TU = +25 °C.


    Mechanics/electronics
    Supply voltage 10 V DC ... 30 V DC 1)
    Ripple < 5 Vpp 2)
    Current consumption 50 mA
    Switching output

    NPN

    PNP

    Switching mode

    Light switching

    Dark switching

    Switching mode selector Selectable via PNP/NPN selector, selectable via light/dark selector
    Output current Imax. ≤ 100 mA
    Response time ≤ 500 µs 3)
    Switching frequency 1,000 Hz 4)
    Time functions

    On delay

    Off delay

    Adjustable

    Delay time Adjustable via time delay selector switch, 0.5 s ... 10 s
    Connection type Male connector M12, 4-pin
    Circuit protection

    A 5)

    C 6)

    D 7)

    Protection class II 8)
    Weight 140 g
    Housing material Plastic, ABS
    Enclosure rating IP67
    Test input sender off TE to 0 V
    Ambient operating temperature –40 °C ... +60 °C
    Ambient temperature, storage –40 °C ... +75 °C
    UL File No. NRKH.E181493 & NRKH7.E181493
    • 1) Limit values.
    • 2) May not exceed or fall below Uv tolerances.
    • 3) Signal transit time with resistive load.
    • 4) With light/dark ratio 1:1.
    • 5) A = VS connections reverse-polarity protected.
    • 6) C = interference suppression.
    • 7) D = outputs overcurrent and short-circuit protected.
    • 8) Reference voltage: 50 V DC.


    Safety-related parameters
    MTTFD 564 years
    DCavg 0 %
    TM (mission time) 20 years


    Classifications
    ECl@ss 5.027270904
    ECl@ss 5.1.427270904
    ECl@ss 6.027270904
    ECl@ss 6.227270904
    ECl@ss 7.027270904
    ECl@ss 8.027270904
    ECl@ss 8.127270904
    ECl@ss 9.027270904
    ECl@ss 10.027270904
    ECl@ss 11.027270904
    ETIM 5.0EC002719
    ETIM 6.0EC002719
    ETIM 7.0EC002719
    ETIM 8.0EC002719
    UNSPSC 16.090139121528

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