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M18 Inductive Proximity Sensor | Short-Body Design | NPN Normally Closed | IP67/IP68/IP69K Rated | by SICK
The M18 Inductive Proximity Sensor is designed for reliable object detection in industrial automation, featuring a short-body design and a sensing range of 12 mm. With an NPN normally closed output and high enclosure ratings (IP67, IP68, IP69K), this sensor is perfect for harsh environments, ensuring durability against coolants and lubricants while maintaining performance in extreme temperatures from -40 °C to +85 °C.
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Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Switching output: NPN, normally closed
- Switching frequency: 1,000 Hz
- Sensing range (Sn): 12 mm
- Safe sensing range (Sa): 9.72 mm
- Electrical wiring: DC 3-wire
- Cable: PUR, 3.9 mm diameter, 2 m length
- Ripple: ≤ 10%
- Voltage drop: ≤ 2 V
- Time delay before availability: ≤ 100 ms
- Hysteresis: 3% to 20%
- Reproducibility: ≤ 2%
- Temperature drift: ± 10%
- Continuous current Ia: ≤ 200 mA
- No load current: ≤ 10 mA
- Protection class: III
- Enclosure rating: IP67, IP68, IP69K
- Shock resistance: 100 g, 2 ms sinusoidal
- Vibration resistance: 60 g peak (10 Hz to 2,000 Hz)
- Operating temperature: -40 °C to +85 °C
- Housing material: Nickel-plated brass
- Sensing face material: Plastic, LCP
- Thread size: M18 x 1
- Housing length: 39.4 mm
- Thread length: 26.9 mm
- Tightening torque max: ≤ 30 Nm
- Dimensions (H x L x W): 39mm x 39mm x 18mm
- Weight: 0.1 kg
Key Features
- Short-body housing with M18 x 1 thread size
- Non-flush installation type
- Sensing range of 12 mm with safe sensing range of 9.72 mm
- Switching frequency up to 1,000 Hz
- NPN normally closed switching output
- Cable connection, 3-wire, 2 m length
- Enclosure rating IP67, IP68, and IP69K for high protection
- Resistant against coolant lubricants and temperature resistant
- Shock and vibration resistant according to EN standards
- LED yellow indication for switching status
- Operating temperature range from -40 °C to +85 °C
- Housing made of nickel-plated brass with plastic sensing face
Professional Installation Requirements
- Professional installation by a qualified electrician or technician is recommended to ensure proper wiring and mounting according to safety standards.
Applications
- Industrial automation for object detection
- Mobile machines in harsh environments
- Zones with coolants and lubricants
- Difficult application conditions requiring robust sensing
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces replacement frequency and waste
- High resistance to harsh environments minimizes environmental contamination risks
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK IMG18-12NNOZU2K inductive sensor is available for immediate purchase, ideal for industrial automation and harsh environment applications.
