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Fluid Level Switch Sensor | LED Red Light | IP67 & IP69 Rated | by SICK
The Fluid Level Switch Sensor is designed for precise fluid level detection, featuring a visible red LED light source at 650 nm wavelength. With a robust IP67 and IP69 enclosure rating, it’s perfect for industrial applications requiring reliable monitoring in challenging environments. Built for durability with stainless steel housing, this sensor operates efficiently across a wide pressure range from -0.5 bar to 20 bar, ensuring long-lasting performance.
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Technical Specifications
- Medium: Fluids
- Measurement type: Switch
- Light source: LED, visible red light at 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 closed switch
- Output current: ≤ 100 mA with overcurrent and short-circuit protection
- Switching frequency: 250 Hz
- Protection class: III
- Connection type: M12 round connector, 4-pin
- Enclosure rating: IP67, IP69
- Housing material: Stainless steel 1.4404 / 316L
- Wetted parts: Stainless steel 1.4404 / 316L, polysulfon EPDM
- Dimensions (H x L x W): 60mm x 60mm x 18mm
- Weight: 0.3 kg
Key Features
- Switch measurement type for fluid media
- 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
- Response time of 10 ms with switching frequency up to 250 Hz
- Output: 1 x NPN normally closed switch with overcurrent and short-circuit protection
- Enclosure rated IP67 and IP69 for robust protection
- Housing and wetted parts made of stainless steel 1.4404 / 316L and polysulfon EPDM
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
- Use in environments requiring reliable switch measurement of fluids
- Suitable for applications with process pressures from -0.5 bar to 20 bar
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable stainless steel construction reduces waste and extends product life
- Low power consumption of ≤ 30 mA at 24 V DC supports energy efficiency
- Certified to China-RoHS and ECOLAB standards ensuring environmental compliance
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for detailed warranty terms.
Available Now
The SICK GRF18S-N234EV fluid switch sensor is available for immediate purchase, ideal for industrial fluid monitoring and control applications.
