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M18 Inductive Proximity Sensor | Short-body Design | NPN Output | IP69K Rated | by SICK
The M18 Inductive Proximity Sensor is designed for industrial automation, featuring a short-body housing and a sensing range of 12 mm. With a high switching frequency of 1,000 Hz and IP69K protection, it's perfect for detecting metal objects in harsh environments, including those with coolants and lubricants. Built to withstand extreme temperatures from -40 °C to +85 °C, this sensor ensures reliable performance and durability.
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Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Switching frequency: 1,000 Hz
- Sensing range (Sn): 12 mm
- Safe sensing range (Sa): 9.72 mm
- Switching output: NPN, normally open (NO)
- Electrical wiring: DC 3-wire
- Ripple: ≤ 10%
- Voltage drop: ≤ 2 V
- No load current: ≤ 10 mA
- Continuous current Ia: ≤ 200 mA
- Cable: PUR, 3.9 mm diameter, 2 m length
- Hysteresis: 3% to 20%
- Reproducibility: ≤ 2%
- Temperature drift of sensing range: ±10%
- Protection rating: IP67, IP68, IP69K
- Shock resistance: 100 g, 2 ms sinusoidal shocks
- Vibration resistance: 60 g peak (10 Hz to 2000 Hz)
- Operating temperature: -40 °C to +85 °C
- Housing material: Nickel-plated brass
- Sensing face material: Plastic, LCP
- Tightening torque max: ≤ 30 Nm
- Protection class: III
- EMC: According to EN 60947-5-2
- Dimensions (H x L x W): 39mm x 96mm x 18mm
- Weight: 0.1 kg
Key Features
- Short-body housing with M18 x 1 thread size
- Non-flush installation type with 12 mm sensing range
- High switching frequency of 1,000 Hz
- NPN normally open switching output
- Cable connection, 3-wire, 2 m length
- IP67, IP68, and IP69K rated for protection against dust and water
- Resistant against coolant lubricants and temperature variations
- Shock and vibration resistant according to EN 60068 standards
- Operating temperature range from -40 °C to +85 °C
- Nickel-plated brass housing with plastic LCP sensing face
- Includes mounting nuts (brass, nickel-plated)
Professional Installation Requirements
- Installation by a qualified electrician or technician is recommended to ensure proper wiring and compliance with safety standards.
Applications
- Industrial automation for detecting metal objects
- Mobile machines operating in harsh environments
- Zones with coolants and lubricants
- Difficult application conditions requiring robust sensors
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces replacement frequency and electronic waste
- High resistance to harsh environments minimizes downtime and resource use
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK IMG18-12NNSZU2K inductive sensor is available for immediate purchase, ideal for industrial automation and harsh environment applications.
