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Fluid Level Switch Sensor | Red LED Light Source | IP67 & IP69 Rated | by SICK
The Fluid Level Switch Sensor is designed for precise fluid detection and monitoring in industrial processes. Featuring a visible red LED light source and a robust IP67/IP69 rating, it ensures reliable operation in harsh environments. With a fast response time of 10 ms and a wide process pressure range from -0.5 bar to 20 bar, this sensor is perfect for automation systems in chemical, pharmaceutical, and food industries.
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Technical Specifications
- Medium: Fluids
- Measurement: Switch
- Light source: LED (Visible red light, 650 nm wavelength)
- Process pressure: -0.5 bar to 20 bar
- Process temperature: -10 °C to +55 °C
- Response time: 10 ms
- MTTFD (mean time to dangerous failure): 2,304 years
- MTBF: 1,178 years
- Supply voltage: 10 V DC to 30 V DC
- Power consumption: ≤ 30 mA at 24 V DC without output load
- Output signal: 1 x NPN, normally open (NO)
- Output current: ≤ 100 mA, overcurrent and short-circuit protected
- Switching frequency: 250 Hz
- Connection type: M12 round connector, 4-pin
- Protection class: III
- Enclosure rating: IP67, IP69
- Housing and wetted parts: Stainless steel 1.4404 / 316L, Polysulfon EPDM
- Process connection: G ½
- Ambient operating temperature: -10 °C to +55 °C
- Storage temperature: -25 °C to +70 °C
- Dimensions (H x L x W): 60mm x 60mm x 18mm
- Weight: 0.3 kg
Key Features
- Switch type measurement for fluid detection
- Visible red LED light source with 650 nm wavelength
- Process pressure range from -0.5 bar to 20 bar
- Process temperature range from -10 °C to +55 °C
- High protection rating IP67 and IP69 for harsh environments
- Stainless steel 1.4404 / 316L housing and wetted parts
- Output: 1 x NPN switching mode normally open (NO)
- Short-circuit and overcurrent protected output up to 100 mA
- Fast response time of 10 ms
- Supply voltage 10 V DC to 30 V DC with low power consumption
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with fluid sensor integration and electrical safety standards.
Applications
- Fluid level detection and monitoring in industrial processes
- Automation systems requiring reliable fluid presence switching
- Process control in chemical, pharmaceutical, and food industries
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable stainless steel construction reduces waste and extends product life
- Low power consumption minimizes energy use
- Compliant with China-RoHS and ECOLAB standards ensuring environmental safety
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK GRF18S-E234EV Fluid Switch Sensor is available for immediate purchase, ideal for industrial fluid monitoring and automation applications.
