Cylindrical photoelectric sensors
GR18 Inox

GRTB18-P2431V
1085823
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    • Features
      Device typePhotoelectric sensors
      Sensor/ detection principlePhotoelectric proximity sensor, Background suppression
      Dimensions (W x H x D)18 mm x 18 mm x 73.5 mm
      Housing design (light emission)Cylindrical
      Housing length73.5 mm
      Thread length49.3 mm
      Thread diameter (housing)M18 x 1
      Optical axisAxial
      Sensing range max.3 mm ... 100 mm 1)
      Sensing range15 mm ... 100 mm 1)
      Type of lightVisible red light
      Light sourcePinPoint LED 2)
      Light spot size (distance)Ø 7 mm (100 mm)
      Wave length650 nm
      AdjustmentNone
      Indication
      LED greenOperating indicator
      Static: power on
      LED yellowStatus of received light beam
      Static on: object present
      Static off: object not present
      Special applicationsHygienic and washdown zones
      • 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 voltage10 V DC ... 30 V DC 1)
      Ripple< 5 Vpp 2)
      Current consumption30 mA
      Switching outputPNP
      Output functionComplementary
      Switching modeLight/dark switching 3)
      Signal voltage PNP HIGH/LOWVS - (≤ 3 V) / approx. 0 V
      Output current Imax.≤ 100 mA 4)
      Response time< 500 µs 5)
      Switching frequency1,000 Hz 6)
      Connection typeMale connector M12, 4-pin
      Circuit protection

      A 7)

      B 8)

      D 9)

      Protection classIII
      Weight65 g
      Housing materialStainless steel, Stainless steel V4A (1.4404, 316L)
      Optics materialPlastic, PMMA
      Tightening torque, max.90 Nm
      Enclosure rating

      IP67

      IP68 10)

      IP69K 11)

      Items suppliedFastening nuts (2 x)
      Electromagnetic compatibility (EMC)EN 60947-5-2
      Ambient operating temperature–25 °C ... +55 °C 12)
      Ambient temperature, storage–30 °C ... +75 °C
      UL File No.E348498
      • 1) Limit values. Operated in short-circuit protected network: max. 8 A.
      • 2) May not exceed or fall below Uv tolerances.
      • 3) Q = light switching; Ǭ = dark switching.
      • 4) At Uv > 24 V or ambient temperature > 49 °C, IA max. = 50 mA.
      • 5) Signal transit time with resistive load.
      • 6) With light/dark ratio 1:1.
      • 7) A = VS connections reverse-polarity protected.
      • 8) B = inputs and output reverse-polarity protected.
      • 9) D = outputs overcurrent and short-circuit protected.
      • 10) According to EN 60529 (10 m water depth / 24 h).
      • 11) According to ISO 20653:2013-03.
      • 12) At Uv <=24V and IA<50mA.
    • 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

    Technical drawings

    GRTB18-P2431V
    Connection diagram Cd-084
    GRTB18-P2431V
    Characteristic curve GRTB18(S) Inox
    GRTB18-P2431V
    Sensing range diagram GRTB18(S) Inox
    GRTB18-P2431V
    Dimensional drawing GRTB18 Inox, connector, straight
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