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Inductive Proximity Sensor M18 | 8mm Sensing Range | IP68 & IP69K Rated | Quasi-Flush Installation | by SICK
The Inductive Proximity Sensor M18 is designed for robust sensing in challenging environments, featuring an 8mm sensing range and IP68/IP69K enclosure ratings. Ideal for mobile machines and hygienic zones, this sensor offers a switching frequency of 1,000 Hz and is built with durable stainless steel housing, ensuring reliability and longevity in demanding applications.
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Technical Specifications
- Thread size: M18 x 1
- Diameter: 18 mm
- Sensing range Sn: 8 mm
- Safe sensing range Sa: 6.48 mm
- Installation type: Quasi-flush
- Switching frequency: 1,000 Hz
- Connection type: Cable, 3-wire, 2 m
- Switching output: NPN, Normally Open (NO)
- Electrical wiring: DC 3-wire
- Enclosure rating: IP68, IP69K
- Supply voltage: 7.2 V DC to 60 V DC
- Ripple: ≤ 10%
- Voltage drop: ≤ 2.5 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
- Cable material: PUR
- Cable diameter: 5 mm
- Housing material: Stainless steel V4A (DIN 1.4404 / AISI 316L)
- Sensing face material: Plastic, LCP
- Ambient operating temperature: -40°C to +100°C
- Shock resistance: 100 g, 11 ms; vibration resistance: 25 g peak
- Protection class: III
- Dimensions (H x L x W): 60mm x 60mm x 18mm
- Weight: 0.1 kg
Key Features
- Standard design housing with M18 x 1 thread size
- Sensing range of 8 mm with safe sensing range of 6.48 mm
- Quasi-flush installation type
- Switching frequency of 1,000 Hz with NPN normally open output
- Cable connection, 3-wire, 2 m length
- Enclosure rating IP68 and IP69K for high protection
- Resistant to cleaning agents and temperature resistant
- Includes mounting nuts, brass, nickel-plated (2x)
- Shock and vibration resistant with high EMC immunity
- Wide supply voltage range from 7.2 V DC to 60 V DC
- Housing made of stainless steel V4A (AISI 316L) with plastic sensing face
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical sensor wiring and mounting to ensure proper function and safety.
Applications
- Mobile machines
- Hygienic and washdown zones
- Difficult application conditions requiring robust sensing
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable stainless steel housing reduces replacement frequency and waste
- High resistance to cleaning agents supports hygienic environments
- Energy-efficient operation with low current consumption
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for detailed warranty terms.
Available Now
The SICK IMS18-08BNSNU2S inductive sensor is available for immediate purchase, ideal for industrial automation, mobile machinery, and hygienic zone applications.
