Product Overview
The Turck NI4-M12-AP6X is a precision-engineered inductive proximity sensor designed for non-contact detection of metallic objects in industrial automation environments. Featuring an M12 threaded stainless steel housing, this sensor combines rugged durability with high-performance sensing capabilities. Its compact design and IP67/IP69K protection ensure reliable operation in harsh conditions, including exposure to dust, moisture, and high-pressure washdowns. The sensor operates on a 10-30 V DC supply and provides a configurable PNP or NPN output (depending on variant) via an M12 quick-disconnect connector. Ideal for use in manufacturing, robotics, and material handling systems, the NI4-M12-AP6X delivers consistent performance in applications requiring high repeatability and resistance to environmental stressors.
Key Technical Parameters
- Sensing Range: 4 mm (for mild steel targets; reduced for non-ferrous metals).
- Supply Voltage: 10–30 V DC (±10%) with reverse polarity protection.
- Output Type: PNP/NPN transistor (configurable NO/NC) with 200 mA max load current.
- Housing Material: Stainless steel (316L) or nickel-plated brass for corrosion resistance.
- Operating Temperature: -25°C to +85°C (-13°F to +185°F).
- Protection Class: IP67/IP69K (dustproof, waterproof, and resistant to high-pressure cleaning).
- Switching Frequency: Up to 1 kHz for fast response in dynamic applications.
- Connector: M12 4-pin (AP6X variant) with PUR/PVC cable options.
- Certifications: CE, UL, cULus, RoHS, and REACH compliance.
Typical Applications
The NI4-M12-AP6X is widely utilized in industries demanding precise and reliable proximity sensing:
- Robotics: Detecting end-effector positions or tool changes in automated assembly lines.
- Packaging Machinery: Verifying metal components in filling, capping, or labeling systems.
- Automotive: Monitoring robotic welders or press machines for part presence/alignment.
- Food & Beverage: Sanitary-grade detection of stainless steel components in washdown zones.
- Material Handling: Position feedback for conveyor belts, elevators, or palletizers.
Its immunity to electromagnetic interference (EMI) ensures stable operation near motors, inverters, or welding equipment.
Competitive Advantages
- Compact and Robust Design: Stainless steel housing withstands mechanical shocks, chemicals, and extreme temperatures.
- High Repeatability: Precise 4 mm sensing range with minimal hysteresis for consistent detection.
- Easy Configuration: Configurable output logic (NO/NC) and plug-and-play M12 connectivity reduce setup time.
- Versatile Mounting: Flush or non-flush installation options adapt to space-constrained environments.
- Long Service Life: Hermetic sealing and high-quality materials minimize wear in high-cycle operations.
Core Functionalities
The NI4-M12-AP6X offers advanced operational features:
- Short-Circuit Protection: Built-in safeguards prevent damage from wiring errors or overloads.
- Diagnostic LEDs: Dual-color indicators (green for power, yellow for output status) enable rapid troubleshooting.
- Temperature Stability: Maintains accuracy across a broad thermal range (-25°C to +85°C).
- IO-Link Compatibility (if applicable): Enables remote parameterization and predictive maintenance in smart factories.
- Vibration Resistance: Secure M12 connection ensures uninterrupted performance in high-vibration machinery.
| Parameter | Specification |
| Product Type | Inductive Proximity Sensor (Non-Flush Mountable) |
| Model Breakdown | NI4: 4mm Sensing Distance
M12: Ø12mm Threaded Housing
AP6X: Analog Current Output, M12 Connector |
| Detection Target | Ferrous Metals (Optimized) / Non-Ferrous (Reduced Range) |
| Standard Target | Fe360 Steel (1x1x1mm) |
| Sensing Distance (S<sub>n</sub>) | 4 mm (Guaranteed) |
| Output Signal | Analog Current: 4-20 mA (3-Wire) |
| Operating Voltage | 10...30 V DC |
| Current Consumption | ≤ 25 mA (No Load) |
| Load Impedance | ≤ 500 Ω |
| Linearity Error | ±1% Full Scale (20°C) |
| Repeat Accuracy | ≤ 0.1% Full Scale |
| Temperature Drift | ±0.05%/K |
| Response Time | ≤ 2.5 ms |
| Housing Material | Stainless Steel (1.4305) |
| Protection Rating | IP67 (Immersion up to 1m for 30 min) |
| Electrical Connection | 4-pin M12 Male Connector (A-coded) |
| Pinout | Pin 1: +V<sub>e</sub>, Pin 3: 4-20mA, Pin 4: 0V |
| LED Indicator | Yellow (Power/Status) |
| Temperature Range | Operating: -25°C to +75°C
Storage: -40°C to +85°C |
| Shock/Vibration | Shock: 100 g (6 ms, IEC 60068-2-27)
Vibration: 10 g (10...500 Hz, IEC 60068-2-6) |
| EMC Compliance | EN 61000-6-2 (Immunity), EN 61000-6-4 (Emissions) |
| Certifications | CE, cULus (UL 508), RoHS 3, REACH |
| Reverse Polarity Protection | Yes |
| Short-Circuit Protection | Auto-Recovery (≤ 30V) |
| Weight | 35 g |
| Mounting | Non-Flush (Requires 1.5×S<sub>n</sub> clearance from metal) |
| Hysteresis | ≤ 5% of Measured Value |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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NI4-M12-AP6X - IP67 4mm Non-Contact - Industrial Metal Stainless - Inductive Proximity Sensor Images
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