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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NJ5-18GK-N |
| Manufacturer | Pepperl + Fuchs |
| Series | NJ5 |
| Sensor Type | Proximity Sensor |
| Operating Voltage | 8.2 V |
| Current Consumption | ≤ 1 mA (with measuring plate detected) |
| Switching Function | Normally closed (NC) |
| Output Type | NAMUR |
| Rated Operating Distance | 5 mm |
| Installation | Flush |
| Assured Operating Distance | 0 ... 4.05 mm |
| Reduction Factor (Aluminium) | 0.4 |
| Reduction Factor (Copper) | 0.3 |
| Reduction Factor (304 Steel) | 0.85 |
| Switching Frequency | 0 ... 500 Hz |
| Hysteresis | 1 ... 10 %, typically 5 % |
| Housing Material | PBT/PPS |
| Sensing Face Material | PBT |
| Degree of Protection | IP66 / IP68 |
| Ambient Temperature Range | -25 ... 100 °C (-13 ... 212 °F) |
| Compliance with Standards | NAMUR EN 60947-5-6:2000, IEC 60947-5-6:1999, EN 60947-5-2:2007, IEC 60947-5-2:2007 |
| Approvals and Certificates | IECEx, ATEX, UL, CCC, NEPSI, ANZEx, KCC, Marine approval, FM, CSA |
| Safety Integrity Level | Usable up to SIL 2 according to IEC 61508 |
| Connection Type | Cable |
| Core Cross-Section | 0.75 mm² |
| Cable Length | 2 m (standard length) |
The Pepperl + Fuchs NJ5 Series Proximity Sensor is a high-quality inductive sensing solution designed for precision detection in a variety of industrial applications. With a rated operating distance of 5 mm and a flush installation design, this sensor ensures reliable and accurate performance in even the most demanding environments.
Crafted with a robust PBT/PPS housing and a sensing face made of the same durable material, the NJ5-18GK-N model is built to withstand the rigours of industrial use. It boasts an impressive ambient temperature range of -25 to 100 °C, making it suitable for a wide range of operating conditions.
This sensor operates with a nominal voltage of 8.2 V and a minimal current consumption, ensuring energy efficiency. The switching frequency can reach up to 500 Hz, allowing for rapid detection and response times. Additionally, the sensor features a NAMUR output type and adheres to the NAMUR EN 60947-5-6:2000 and IEC 60947-5-6:1999 standards, ensuring compatibility with a wide range of equipment.
The NJ5-18GK-N is also designed with safety in mind, usable up to SIL 2 according to IEC 61508, and comes with a variety of international certifications, including ATEX and IECEx approvals for use in hazardous areas. Its degree of protection is rated at IP66/IP68, offering protection against dust and water ingress.
This proximity sensor is an ideal choice for those seeking a reliable and precise sensing solution that can deliver consistent performance in a variety of industrial settings.
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Frequently Asked Questions
What is the operating voltage for this proximity sensor?
The operating voltage for the NJ5-18GK-N proximity sensor is 8.2 V.
Can this sensor be installed flush with the mounting surface?
Yes, the NJ5-18GK-N is designed for flush mounting.
What is the maximum ambient temperature this sensor can withstand?
The sensor can operate in ambient temperatures ranging from -25 to 100 degrees Celsius.
What type of output does this sensor provide?
The NJ5-18GK-N provides a NAMUR output, which is a type of two-wire, low current signal commonly used in hazardous areas.
What is the assured operating distance for this sensor?
The assured operating distance for the sensor is 0 to 4.05 mm.
Is the NJ5-18GK-N suitable for use in safety-related applications?
Yes, it is suitable for use up to SIL 2 according to IEC 61508 for functional safety.
What is the degree of protection provided by the sensor's housing?
The housing of the NJ5-18GK-N provides an IP66/IP68 degree of protection, ensuring it is dust-tight and can withstand immersion.
What materials are used for the sensor's housing and sensing face?
The housing material is PBT/PPS and the sensing face is also made of PBT.
What is the switching frequency range for this proximity sensor?
The switching frequency range for the NJ5-18GK-N is from 0 to 500 Hz.
How does the sensor's reduction factor vary with different materials?
The reduction factor for aluminium is 0.4, for copper it is 0.3, and for 304 stainless steel, it is 0.85.
Part conditions explained
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