Inductive sensor NJ8-18GK-SN-10M

Part number: NJ8-18GK-SN-10M

  • 8 mm non-flush
  • Usable up to SIL 3 acc. to IEC 61508
  • Degree of protection IP68
  • ATEX-/IECEx-approvals for zone 0/1/20/21 (Ex i)
  • ATEX-/IECEx-approvals for zone 2/22 (Ex ec/tc)
  • Specification

    General specifications
    Switching functionNormally closed (NC)
    Output typeNAMUR with safety function
    Rated operating distance8 mm
    Installationnon-flush
    Assured operating distance0 ... 6.48 mm
    Reduction factor rAl 0.4
    Reduction factor rCu 0.3
    Reduction factor r304 0.85
    Safety Integrity Level (SIL)up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.
    Consider the "exida Functional Safety Assessment" document which is available on www.pepperl-fuchs.com as an integral part of this product's documentation.
    Output type2-wire
    Nominal ratings
    Nominal voltage8.2 V (Ri approx. 1 kΩ)
    Switching frequency0 ... 200 Hz
    Current consumption
    Measuring plate not detected≥ 3 mA
    Measuring plate detected≤ 1 mA
    Functional safety related parameters
    Safety Integrity Level (SIL)SIL 3
    MTTFd11850 a
    Mission Time (TM)20 a
    Diagnostic Coverage (DC)0 %
    Compliance with standards and directives
    Standard conformity
    NAMUREN 60947-5-6:2000
    IEC 60947-5-6:1999
    StandardsEN 60947-5-2:2007
    EN 60947-5-2/A1:2012
    IEC 60947-5-2:2007
    IEC 60947-5-2 AMD 1:2012
    Approvals and certificates
    IECEx approval
    Equipment protection level GaIECEx PTB 11.0092X
    Equipment protection level GbIECEx PTB 11.0092X
    Equipment protection level Gc (ec)IECEx TUR 21.0017X
    Equipment protection level DaIECEx PTB 11.0092X
    Equipment protection level Dc (tc)IECEx TUR 21.0018X
    Equipment protection level MbIECEx PTB 11.0092X
    ATEX approval
    Equipment protection level GaPTB 00 ATEX 2049 X
    Equipment protection level GbPTB 00 ATEX 2049 X
    Equipment protection level Gc (ec)TÜV 20 ATEX 8523 X
    Equipment protection level DaPTB 00 ATEX 2049 X
    Equipment protection level Dc (tc)TÜV 20 ATEX 8524 X
    UL approvalcULus Listed, General Purpose
    Ordinary LocationE87056
    Hazardous LocationE501628
    Control drawing116-0454
    CCC approval
    Hazardous Location2020322315002308
    NEPSI approval
    NEPSI certificateGYJ16.1392X
    Ambient conditions
    Ambient temperature-40 ... 100 °C (-40 ... 212 °F)
    Mechanical specifications
    Connection typecable
    Housing materialCrastin (PBT), black
    Sensing faceCrastin (PBT), black
    Degree of protectionIP68
    Cable
    Cable diameter6 mm ± 0.2 mm
    Bending radius> 10 x cable diameter
    Materialsilicone
    Core cross section0.75 mm2
    Length10 m
    General information
    Use in the hazardous areasee instruction manuals
    ECLASS 13.027274101
    ECLASS 12.027274101
    ECLASS 11.027272401
    ECLASS 10.0.127272401
    ECLASS 9.027272401
    ECLASS 8.027272401
    ECLASS 5.127272401
    ETIM 9.0EC002714
    ETIM 8.0EC002714
    ETIM 7.0EC002714
    ETIM 6.0EC002714
    ETIM 5.0EC002714
    UNSPSC 12.139121550