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Specification & Description
| Specification | Description |
|---|---|
| Part Number | NJ8-18GM50-E2 |
| Alternative Part Number | NJ818GM50E2 |
| Manufacturer | Pepperl + Fuchs |
| Sensor Type | Inductive |
| Operating Voltage | 10 ... 60 V |
| Switching Frequency | 0 ... 1000 Hz |
| Hysteresis | 1 ... 15 %, typically 7.5 % |
| Polarity Protection | Reverse polarity protected |
| Short-Circuit Protection | Pulsing |
| Voltage Drop | ≤ 3 V |
| Operating Current | 0 ... 200 mA |
| Off-State Current | 0 ... 0.5 mA, typically 0.01 mA |
| No-Load Supply Current | ≤ 9 mA |
| Time Delay Before Availability | ≤ 30 ms |
| Switching State Indicator | LED, yellow |
| Ambient Temperature Range | -25 ... 70 °C (-13 ... 158 °F) |
| Storage Temperature Range | -40 ... 85 °C (-40 ... 185 °F) |
| Connection Type | Connector plug M12 x 1, 4-pin or cable PVC, 2 m or 10 m depending on model |
| Housing Material | Stainless steel 1.4305 / AISI 303 |
| Sensing Face Material | PBT |
| Degree of Protection | IP67 |
| Compliance | EN 60947-5-2:2007, IEC 60947-5-2:2007 |
| Approvals | UL Listed, General Purpose, cCSAus Listed, General Purpose, CCC Certified |
| Mounting | Non-flush |
| Rated Operating Distance | 8 mm |
| Assured Operating Distance | 0 ... 6.48 mm |
| Output Type | PNP NO (Normally Open) |
| Reduction Factor | rAl 0.42, rCu 0.4, r304 0.72 |
The Pepperl + Fuchs NJ8-18GM50-E2 is a high-performance inductive sensor designed for reliable detection and positioning tasks in a variety of industrial applications. This robust sensor features a non-flush design with an 8 mm rated operating distance, ensuring precise and consistent operation. Engineered with a PNP output and a normally open (NO) switching function, it is well-suited for direct interfacing with various control systems.
Constructed with a durable stainless steel housing and a PBT sensing face, the NJ8-18GM50-E2 is built to withstand harsh environments, boasting an IP67 protection rating. It operates within a voltage range of 10 to 60 V and can handle switching frequencies up to 1000 Hz, making it versatile for fast-paced industrial processes.
The sensor is equipped with LED indicators for easy status monitoring and features reverse polarity protection and pulsing short-circuit protection for enhanced operational safety. With its assured operating distance of 0 to 6.48 mm and a typical hysteresis of 7.5%, it delivers reliable and repeatable sensing performance.
This inductive sensor is compliant with EN 60947-5-2:2007 and IEC 60947-5-2:2007 standards, and it holds approvals from UL, CSA, and CCC, ensuring it meets global industry standards for quality and safety.
The NJ8-18GM50-E2 is an ideal choice for those seeking a dependable and precise inductive sensor for their automation needs, offering a blend of performance, durability, and compliance with international standards.
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Frequently Asked Questions
What is the operating voltage range for the inductive sensor?
The operating voltage range for the inductive sensor is 10 to 60 V.
Can this sensor be installed flush with metal surfaces?
No, the inductive sensor is designed for non-flush mounting.
What is the switching frequency of this sensor?
The sensor has a switching frequency of 0 to 1000 Hz.
Is the inductive sensor protected against reverse polarity?
Yes, the sensor is equipped with reverse polarity protection.
What type of output does the sensor provide?
The sensor provides a PNP output.
What is the typical voltage drop across the sensor when it is on?
The typical voltage drop across the sensor when it is on is between 1.5 to 2.5 V, typically around 1.9 V.
What is the maximum operating current for this sensor?
The maximum operating current for the sensor is 200 mA.
What is the degree of protection provided by the sensor's housing?
The sensor's housing provides IP67 protection.
What materials are used in the construction of the sensor?
The sensor's housing is made of stainless steel, and the sensing face is made of PBT.
What are the ambient operating temperature limits for the sensor?
The sensor can operate in ambient temperatures ranging from -25 to 70 °C.
Does the sensor have short-circuit protection?
Yes, the sensor is equipped with pulsing short-circuit protection.
How can I tell if the sensor is in the switching state?
The sensor has an LED indicator that lights up yellow to indicate the switching state.
What is the assured operating distance for the sensor?
The assured operating distance for the sensor is between 0 to 6.48 mm.
Are there any specific standards that the sensor conforms to?
The sensor conforms to EN 60947-5-2:2007 and IEC 60947-5-2:2007 standards.
What type of connection does the sensor use?
The sensor typically uses a connector plug M12 x 1, 4-pin for connection.
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