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NAMUR Proximity Sensor M18 | 5mm Sensing Range | IP67 Rated | ATEX Certified | by SICK
The NAMUR Proximity Sensor M18 is designed for industrial automation, featuring a 5mm sensing range and IP67 enclosure for dust and water protection. Ideal for use in explosive areas, this sensor offers a high switching frequency of 720 Hz and is built with durable brass housing. Perfect for detecting metal objects in machinery and equipment, it ensures safety and reliability in hazardous environments.
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Technical Specifications
- Housing: Metric M18 x 1 thread, brass nickel-plated
- Diameter: 18 mm
- Sensing range Sn: 5 mm
- Safe sensing range Sa: 4.05 mm
- Installation type: Flush
- Switching frequency: 720 Hz
- Connection type: Cable, 2-wire, 2 m length
- Switching output: NAMUR, NC function
- Enclosure rating: IP67
- Supply voltage: 7.5 V DC to 25 V DC
- Hysteresis: 1% to 15%
- Temperature drift: ±10%
- Current consumption activated: ≤ 1 mA
- Current consumption not activated: ≥ 2.2 mA
- Cable material: PVC, diameter 5.4 mm
- Shock and vibration resistance: 30 g, 11 ms / 10-55 Hz, 1 mm
- Ambient operating temperature: -20 °C to +70 °C
- Housing length: 33 mm
- Thread length: 32 mm
- Tightening torque max: 35 Nm
- Weight: 171 g
- Type approval: PTB 03 ATEX 2037
- Ex area category: 1G, 2G
- Device labeling: II 1G Ex ia IIC T6 Ga Ta –20 °C to +70 °C, II 2G Ex ia IIC T6 Gb Ta –20 °C to +70 °C
- Dimensions (H x L x W): 33mm x 33mm x 18mm
- Weight: 0.171 kg
Key Features
- Metric M18 x 1 thread size with Ø 18 mm diameter
- Sensing range of 5 mm with safe sensing range of 4.05 mm
- Flush installation type with NAMUR switching output (NC function)
- High switching frequency of 720 Hz
- Cable connection, 2-wire, 2 m length
- Enclosure rating IP67 for dust and water protection
- Suitable for explosive areas with ATEX certification
- Housing made of brass, nickel-plated with plastic PTB sensing face
- Shock and vibration resistant (30 g, 11 ms / 10-55 Hz, 1 mm)
- Wide ambient operating temperature range from -20 °C to +70 °C
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with ATEX certified equipment and electrical safety standards.
Applications
- Industrial automation for detecting metal objects
- Use in explosive areas requiring ATEX certification
- Flush installation in machinery and equipment
Standards & Compliance
- Complies with AS/NZS 60035 – Electrical Equipment in Explosive Atmospheres
Environmental Benefits
- Durable construction reduces replacement frequency and waste
- Low power consumption with supply voltage from 7.5 V DC to 25 V DC
- Certified for use in explosive environments enhancing safety and reducing risk
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK IM18-05B-N-ZW0 NAMUR Proximity Sensor is available for immediate purchase, ideal for industrial automation and hazardous area applications.
