Name: Pepperl+Fuchs NJ1,5-8GM-N-V1 Inductive Proximity Sensor - INOSAKI
SKU: PEPPERL-FUCHS-NJ1,5-8GM-N-V1
Price: 56.88 USD
Availability: InStock

Technical Overview

The Pepperl+Fuchs NJ1,5-8GM-N-V1 is a robust M8 cylindrical inductive proximity sensor designed for flush installation. Featuring a 1.5 mm rated operating distance and NAMUR output, it is suitable for intrinsically safe circuits. Constructed with a stainless steel housing and PBT sensing face, this sensor offers IP67 protection and is usable up to Safety Integrity Level (SIL) 2 according to IEC 61508, making it ideal for safety-critical applications in harsh and hazardous industrial environments.

Key Features

1.5 mm rated operating distance
Flush installation
NAMUR output
Normally closed (NC) switching function
M8 cylindrical threaded housing made of stainless steel 1.4305 / AISI 303
PBT sensing face
Supply voltage 8.2 VDC
High switching frequency up to 5000 Hz
IP67 protection rating
Wide ambient temperature range from -25 to 100 °C (-13 to 212 °F)
M12 (4-pin) connector
Usable up to Safety Integrity Level (SIL) 2 according to IEC 61508
ATEX and IECEx approved for use in hazardous areas

Technical Specification Matrix

Parameter	Value
Rated Operating Distance (sn)	1.5 mm
Installation	Flush
Output Type	NAMUR
Switching Function	Normally Closed (NC)
Nominal Voltage (Uo)	8.2 V (Ri approx. 1 kΩ)
Switching Frequency (f)	0 ... 5000 Hz
Housing Material	Stainless steel 1.4305 / AISI 303
Sensing Face Material	PBT
IP Rating	IP67
Ambient Temperature	-25 ... 100 °C (-13 ... 212 °F)
Connection Type	M12 (4-pin) Connector Plug
Safety Integrity Level (SIL)	SIL 2 (according to IEC 61508)
Housing Diameter	M8 / 8 mm
Output	2-wire

Industrial Applications

1. Automated Valve Position Monitoring in Chemical Plants

This sensor can accurately detect the open or closed position of quarter-turn valves (e.g., ball valves, butterfly valves) in chemical processing environments. Its flush mounting allows for compact integration with valve actuators or position indicators.

Problem Solved

Ensures reliable and safe valve state feedback in potentially explosive atmospheres (due to ATEX/IECEx approvals and NAMUR output for intrinsically safe circuits) and harsh industrial settings (IP67 for dust/water, stainless steel for corrosion resistance), critical for process control and safety interlocks (SIL 2).

NAMURIntrinsically SafeATEXIECExSIL 2IP67Stainless SteelValve PositionProcess Control

2. Object Detection in High-Speed Packaging Machinery

The sensor's 5000 Hz switching frequency and 1.5mm sensing distance make it ideal for rapidly detecting small metallic objects, such as bottle caps, can bodies, or product presence on a conveyor belt in packaging lines. Its M8 size allows for installation in confined spaces.

Problem Solved

Provides precise, high-speed detection for automated sorting, counting, and quality control applications where quick response times are essential. The robust stainless steel housing and IP67 rating ensure durability in environments with frequent washdowns or dust.

High-Speed DetectionPackaging Automation5000 Hz1.5mm SensingIP67Stainless SteelObject Presence

3. End-of-Travel Detection for Robotic Grippers in Material Handling

Integrated into robotic grippers, this sensor can reliably detect the fully open or closed position of gripper jaws, ensuring proper handling of components. Its compact M8 size is suitable for robotic end-effectors where space is at a premium.

Problem Solved

Prevents damage to delicate parts or machinery by confirming precise gripper jaw positions, contributing to accurate and safe robotic operation. The SIL 2 capability adds a layer of safety for critical movements, while the wide temperature range accommodates various industrial settings.

Robotic AutomationGripper PositionEnd-of-TravelCompactM8SIL 2Material HandlingPosition Feedback