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Pepperl + Fuchs Inductive Proximity Sensors NJ2-12GM-N
NJ2-12GM-N Technical Specifications:
| Switching function | Normally closed (NC) |
| Output type | NAMUR |
| Rated operating distance | 2 mm |
| Installation | flush |
| Assured operating distance | 0 … 1.62 mm |
| Reduction factor rAl | 0.4 |
| Reduction factor rCu | 0.3 |
| Reduction factor r304 | 0.85 |
| Output type | 2-wire |
| Nominal voltage | 8.2 V (Ri approx. 1 kΩ) |
| Operating voltage | 5 … 25 V |
| Switching frequency | 0 … 2000 Hz |
| Hysteresis | 3 % |
| Suitable for 2:1 technology | yes , Reverse polarity protection diode not required |
| Current consumption- Measuring plate not detected | ≥ 3 mA at nominal voltage |
| Current consumption – Measuring plate detected | ≤ 1 mA at nominal voltage |
| Safety Integrity Level (SIL) | SIL 2 |
| MTTFd | 5887 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
| Standard conformity – NAMUR | EN 60947-5-6:2000 IEC 60947-5-6:1999 |
| Standard conformity – Standards | EN 60947-5-2:2007 EN 60947-5-2/A1:2012 IEC 60947-5-2:2007 IEC 60947-5-2 AMD 1:2012 |
| IECEx approval – Equipment protection level Ga | IECEx PTB 11.0037X |
| IECEx approval – Equipment protection level Gb | IECEx PTB 11.0037X |
| IECEx approval – Equipment protection level Da | IECEx PTB 11.0037X |
| IECEx approval – Equipment protection level Mb | IECEx PTB 11.0037X |
| ATEX approval – Equipment protection level Ga | PTB 00 ATEX 2048 X |
| ATEX approval – Equipment protection level Gb | PTB 00 ATEX 2048 X |
| ATEX approval – Equipment protection level Da | PTB 00 ATEX 2048 X |
| EAC conformity | TR CU 012/2011 |
| UL approval – Ordinary Location | E87056 |
| UL approval – Hazardous Location | E501628 |
| UL approval – Control drawing | 116-0452 |
| CCC approval Hazardous Location | 2020322315002255 |
| NEPSI certificate | GYJ16.1393X |
| TIIS approval | on request |
| ANZEx | 18.3018X |
| Ambient temperature | -25 … 100 °C (-13 … 212 °F) |
| Connection type | cable |
| Housing material | Stainless steel 1.4305 / AISI 303 |
| Sensing face | PBT |
| Degree of protection | IP66 / IP67 |
| Cable diameter | 4.8 mm ± 0.2 mm |
| Cable Bending radius | > 10 x cable diameter |
| Cable Material | PVC |
| Cable Core cross-section | 0.34 mm2 |
| Cable Length | 2 m |
Product Documentation: NJ2-12GM-N
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The NJ2-12GM-N Inductive Proximity Sensor from Pepperl + Fuchs is a reliable and versatile sensor designed for industrial automation applications. It operates as a normally closed switch with a NAMUR output type and has a rated operating distance of 2mm when installed flush. The sensor has a wide operating voltage range of 5-25V and a switching frequency of up to 2000Hz.
It features a 2-wire configuration and has a hysteresis of 3%. The NJ2-12GM-N sensor is suitable for 2:1 technology, eliminating the need for a reverse polarity protection diode. With a high MTTFd of 5887 years and conformity to various international standards, this sensor offers reliable performance and safety. The sensor has a durable stainless steel housing and a PBT sensing face, providing a degree of protection of IP66/IP67. It comes with a 2m cable for convenient installation.
You can check the P&F 2mm series with the Cable type.