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Inductive Proximity Sensor M18 | IP68 & IP69K Rated | NPN Output | 12mm Sensing Range | by SICK
The Inductive Proximity Sensor M18 is designed for robust sensing in challenging environments, featuring an IP68 and IP69K enclosure rating for high protection against dust and water. With a sensing range of 12 mm and NPN normally open output, it's perfect for mobile machines and hygienic zones, ensuring reliable performance even in extreme temperatures from -40 °C to +100 °C.
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Technical Specifications
- 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 of sensing range: ± 10%
- Switching output: NPN normally open
- Switching frequency: 900 Hz
- Continuous current: ≤ 200 mA
- No load current: ≤ 10 mA
- Cable: PUR, 3-wire, 2 m length, 0.5 mm² conductor size, 5 mm diameter
- Protection class: III
- Enclosure rating: IP68 and IP69K
- Shock resistance: 100 g, vibration resistance: 25 g
- Operating temperature: -40 °C to +100 °C
- Housing material: Stainless steel V4A (DIN 1.4404 / AISI 316L)
- Sensing face material: Plastic LCP
- Mounting: M18 x 1 thread, tightening torque approx. 60 Nm
- 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
- Non-flush installation type
- Sensing range of 12 mm with safe sensing range of 9.72 mm
- Switching frequency of 900 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
- Shock and vibration resistant with high EMC immunity
- Housing made of stainless steel V4A (AISI 316L) and sensing face of plastic LCP
- Wide ambient operating temperature from -40 °C to +100 °C
- Includes mounting nuts, brass, nickel-plated
Professional Installation Requirements
- Professional installation by a qualified technician or electrician is recommended to ensure correct wiring and mounting for optimal sensor performance 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 extends product life reducing waste
- High resistance to cleaning agents supports hygienic environments without frequent replacements
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for details.
Available Now
The SICK IMS18-12NNSNU2S inductive proximity sensor is available for immediate purchase, ideal for industrial automation, mobile machinery, and hygienic zone applications.
