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NAMUR Proximity Sensor M18 | 5 mm to 70 mm Sensing Range | IP67 Rated | by SICK
The NAMUR Proximity Sensor M18 is designed for precise position detection in industrial automation, featuring a sensing range from 5 mm to 70 mm and an IP67 rated enclosure for dust and water protection. With a high switching frequency of 1,000 Hz and ATEX certification for hazardous areas, this sensor ensures reliable performance in challenging environments, making it ideal for metal object detection and safety applications.
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Technical Specifications
- Housing: Metric M18 x 1
- Sensing range Sn: 5 mm to 70 mm
- Safe sensing range Sa: 56.7 mm
- Magnetic sensitivity: 0.7 mT
- Switching frequency: 1,000 Hz
- Connection type: Male connector M12, 4-pin
- Switching output: NAMUR
- Output characteristic: Control current depending on switching state according to NAMUR EN 60947-5-6
- Electrical wiring: DC 2-wire
- Magnetic alignment: Axial
- Enclosure rating: IP67
- Ripple: ≤ 5 %
- Time delay before availability: ≤ 2 ms
- Hysteresis: ≤ 25 %
- Reproducibility: ≤ 1 %
- Temperature drift (of Sr): ± 10 %
- EMC: According to EN 60947-5-2
- Current consumption activated: ≥ 2.3 mA
- Current consumption not activated: ≤ 1 mA
- Cable resistance: ≤ 50 Ω
- Wire-break protection: Yes
- Reverse polarity protection: Yes
- Short-circuit protection: Yes
- Shock and vibration resistance: 30 g, 11 ms / 10 ... 55 Hz, 1 mm
- Ambient operating temperature: –25 °C to +70 °C
- Housing material: Metal, Nickel-plated brass
- Tightening torque max: ≤ 25 Nm
- Type approval certificate: TÜV 19 ATEX 241335
- UK type examination certificate: UL22UKEX2385
- ATEX marking: EX II 1G Ex ia IIC T6 Ga EX II 1D Ex ia IIIC T 200 85 °C Da
- Ex area category: 1G, 1D
- Input voltage Uimax: 16 V
- Input power Pimax: 100 mW
- Input current Iimax: 30 mA
- Internal capacitance Cimax: 130 nF
- Internal inductance Limax: 10 µH
- Nominal voltage: 8.2 V DC
- Dimensions (H x L x W): 18mm x 65mm x 18mm
- Weight: 0.1 kg
Key Features
- Metric M18 x 1 housing with 65 mm length
- Sensing range from 5 mm to 70 mm with safe sensing range of 56.7 mm
- NAMUR switching output with DC 2-wire electrical wiring
- High switching frequency of 1,000 Hz
- IP67 rated enclosure for dust and water protection
- Shock and vibration resistant (30 g, 11 ms / 10 ... 55 Hz, 1 mm)
- Reverse polarity, short-circuit, and wire-break protection
- ATEX certified for use in explosive atmospheres (EX II 1G Ex ia IIC T6 Ga EX II 1D Ex ia IIIC T 200 85 °C Da)
- Operating temperature range from -25 °C to +70 °C
- Includes mounting nuts, brass, nickel-plated (2x)
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with ATEX certified equipment and electrical wiring standards to ensure safety and compliance.
Applications
- Industrial automation for position detection
- Hazardous area sensing with ATEX certification
- Metal object detection in manufacturing processes
Standards & Compliance
- Complies with AS/NZS 60035 – Electrical Equipment in Explosive Atmospheres
Environmental Benefits
- Durable metal housing reduces replacement frequency and waste
- Low power consumption with efficient DC 2-wire design
- Certified for safe use in hazardous environments minimizing risk of accidents
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK MM18-70A-N-ZC0 NAMUR Proximity Sensor is available for immediate purchase, ideal for industrial automation and hazardous area sensing applications.
