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Inductive Proximity Sensor M18 | 8mm Sensing Range | IP68 & IP69K Rated | Stainless Steel | by SICK
The Inductive Proximity Sensor M18 offers a reliable 8mm sensing range and is designed for flush installation in hygienic and washdown zones. With an IP68 and IP69K enclosure rating, this sensor is perfect for industrial automation applications, ensuring robust performance even in challenging conditions. Built with durable stainless steel, it withstands cleaning agents and provides high shock and vibration resistance.
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Technical Specifications
- Housing: Metric M18 x 1 thread
- Diameter: 18 mm
- Sensing range Sn: 8 mm
- Safe sensing range Sa: 6.48 mm
- Switching frequency: 50 Hz
- Connection type: Cable, 3-wire, 2 m PUR cable
- Switching output: NPN, normally open (NO)
- Electrical wiring: DC 3-wire
- Enclosure rating: IP68, IP69K
- Supply voltage: 10 V DC to 30 V DC
- Ripple: ≤ 10%
- Voltage drop: ≤ 2 V
- Time delay before availability: ≤ 300 ms
- Hysteresis: 1% to 20%
- Reproducibility: ≤ 2%
- Temperature drift: ≤ 10%
- Continuous current Ia: ≤ 200 mA
- No load current: ≤ 10 mA
- Cable diameter: 4.5 mm
- Shock resistance: 100 g / 5 ms / 1000 cycles
- Vibration resistance: 10 Hz to 55 Hz, 1 mm; 55 Hz to 500 Hz, 60 g
- Ambient operating temperature: -25 °C to +75 °C
- Housing material: Stainless steel V4A (DIN 1.4404 / AISI 316L)
- Protection class: III
- Dimensions (H x L x W): 59.5mm x 59.5mm x 18mm
- Weight: 0.1 kg
Key Features
- Metric housing with M18 x 1 thread size
- Flush installation type
- Sensing range of 8 mm with safe sensing range of 6.48 mm
- NPN normally open switching output with DC 3-wire electrical wiring
- Enclosure rating IP68 and IP69K for high protection against water and dust
- Sensing face made of stainless steel V4A, resistant to cleaning agents
- Supplied with two V4A stainless steel mounting nuts
- High shock and vibration resistance
- Short-circuit and power-up pulse protection included
- Wide ambient operating temperature range from -25 °C to +75 °C
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with industrial sensor wiring and mounting to ensure correct flush installation and compliance with safety standards.
Applications
- Hygienic and washdown zones
- Difficult application conditions requiring robust sensing
- Industrial automation requiring reliable proximity detection
Standards & Compliance
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Durable stainless steel housing reduces replacement frequency and waste
- High resistance to cleaning agents supports hygienic environments without damage
- Energy efficient operation with low current consumption
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK IMI18-08BNSNU2S inductive sensor is available for immediate purchase, ideal for industrial automation and hygienic zone applications.
