Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ8-18GM-N-10M

NJ8-18GM-N-10M
  • Comfort series
  • 8 mm non-flush


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  NJ8-18GM-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
Operating voltage5 ... 25 V
Switching frequency0 ... 200 Hz
Hysteresis3 %
Current consumption
Measuring plate not detected≥ 3 mA at nominal voltage
Measuring plate detected≤ 1 mA at nominal voltage
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 approval
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0452
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 materialStainless steel 1.4305 / AISI 303
Sensing facePBT
Degree of protectionIP67
Cable
Cable diameter6 mm ± 0.2 mm
Bending radius> 10 x cable diameter
Equipment protection level Ga
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga 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 8-18GM-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.
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. Note: Use the temperature table for category 1 !!! The 20 % reduction in accordance with EN 1127-1 has already been applied to the temperature table for category 1.
Equipment protection level Gb
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
The Ex-significant identification is on the enclosed adhesive 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 8-18GM-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 8-18GM-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
Category1G; 2G; 1D

Documents: NJ8-18GM-N-10M

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF56 KB
Manuel d'instructionsFRAPDF57 KB
BetriebsanleitungGERPDF58 KB
Manuale di istruzioniITAPDF53 KB
Manual de instruccionesSPAPDF56 KB
Technical information
technical information (TI)ENGPDF1053 KB
technische Information (TI)GERPDF1054 KB

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

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1573PDF266 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Hazardous LocationE501628:1:2PDF444 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2048 XPDF29071 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
Control drawing UL / Control drawing UL   PDF286 KB

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

Accessories

Mounting flange, 18 mmfa