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Photoelectric Proximity Sensor RT-B2118 | 60mm to 900mm Sensing Range | IP67 Rated | by SICK
The Photoelectric Proximity Sensor RT-B2118 is designed for precise object detection in industrial automation, featuring a sensing range from 60 mm to 900 mm and an infrared LED light source. With a robust IP67-rated ABS housing and adjustable sensitivity, it's perfect for manufacturing process control and safety monitoring applications, ensuring reliable performance in challenging environments.
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Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 60 mm to 900 mm
- Light source: Infrared LED
- Focus angle: 7°
- Light spot size: Ø 20 mm at 500 mm distance
- Adjustment: 9-turn potentiometer
- Supply voltage: 10 V DC to 30 V DC
- Ripple: < 5 V pp
- Current consumption: 20 mA
- Switching output: PNP, NPN
- Switching mode: Dark switching
- Output current max: ≤ 100 mA
- Response time: 2 ms
- Switching frequency: 250 Hz
- Connection type: 4-wire cable, 3 m length
- Circuit protection: Types A, C, D
- Protection class: III
- Housing material: Plastic, ABS
- Enclosure rating: IP67
- Shock and vibration resistance: According to IEC 68
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Dimensions (H x L x W): 99mm x 49mm x 21mm
- Weight: 0.175 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Sensing range from 60 mm to 900 mm
- Infrared LED light source with 7° focus and angle of dispersion
- Adjustable sensitivity via 9-turn potentiometer
- Switching output options: PNP and NPN with dark switching mode
- High switching frequency of 250 Hz and fast response time of 2 ms
- Robust plastic ABS housing with IP67 enclosure rating
- Wide ambient operating temperature range from -40 °C to +60 °C
- Shock and vibration resistant according to IEC 68 standards
Professional Installation Requirements
- Installation should be performed by a qualified electrician or technician familiar with photoelectric sensor wiring and safety standards.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Safety and monitoring in machinery
- ZoneControl applications requiring precise sensing
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Low power consumption with 20 mA current draw
- Durable design reduces waste and replacement frequency
- Complies with China-RoHS environmental standards
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK RT-B2118 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety monitoring applications.
