Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ8-18GK-N-10M

NJ8-18GK-N-10M
  • Comfort series
  • 8 mm non-flush
  • Usable up to SIL 2 acc. to IEC 61508


NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NJ8-18GK-N-10M

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
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
Output type2-wire
Nominal ratings
Nominal voltage8 V
Switching frequency0 ... 200 Hz
Hysteresis1 ... 7 typ. 4 %
Current consumption
Measuring plate not detectedmin. 3 mA
Measuring plate detected≤ 1 mA
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
EAC conformityTR CU 012/2011
FM approval
Control drawing116-0165
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection typecable PVC , 10 m
Core cross-section0.75 mm2
Housing materialPBT/PPS
Sensing facePBT
Degree of protectionIP68
Cable
Cable diameter6 mm ± 0.2 mm
Bending radius> 10 x cable diameter
Equipment protection level Gb
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 2G Ex ia IIC T6…T1 Gb The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
Appropriate typeNJ 8-18GK-N...
Effective internal capacitancemax. 70 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 50 µH ; a cable length of 10 m is considered.
Maximum permissible ambient temperatureDetails of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the temperature class, and the effective internal reactance values can be found on the EC-type examination certificate.
Equipment protection level Da
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1D Ex ia IIIC T135°C Da The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
Appropriate typeNJ 8-18GK-N...
Effective internal capacitancemax. 70 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 50 µH ; a cable length of 10 m is considered.
Maximum permissible ambient temperature
Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the surface temperature, and the effective internal reactance values can be found on the EC-type-examination certificate. The maximum permissible ambient temperature of the data sheet must be noted, in addition, the lower of the two values must be maintained.
General information
Use in the hazardous areasee instruction manuals
Category2G; 1D

Documents: NJ8-18GK-N-10M

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF45 KB
Manuel d'instructionsFRAPDF46 KB
BetriebsanleitungGERPDF48 KB
Manuale di istruzioniITAPDF43 KB
Manual de instruccionesSPAPDF45 KB
Technical information
technical information (TI)ENGPDF1053 KB
technische Information (TI)GERPDF1054 KB

Approvals+Certificates: NJ8-18GK-N-10M

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0922BPDF266 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2048 XPDF29071 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF 10 CERT 1536APDF1426 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
Worldwide PTB IECEx iaIECEx PTB 11.0037XLINK---
Control drawings
Control Drawing FM / Control Drawing FM   PDF686 KB

Associated Products: NJ8-18GK-N-10M

Accessories

Mounting flange, 18 mmfa