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Fluid Level Switch Sensor | Visible Red LED Light | NPN Output | IP67 & IP69 Rated | by SICK
The Fluid Level Switch Sensor is designed for precise fluid detection with a visible red LED light source and a wavelength of 650 nm. Ideal for industrial processes, it operates within a pressure range of -0.5 to 20 bar and a temperature range of -10 °C to +55 °C. With a fast response time of 10 ms and robust IP67/IP69 enclosure ratings, this sensor ensures reliable performance in chemical, pharmaceutical, and food industries.
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Technical Specifications
- Medium: Fluids
- Measurement: Switch
- Light source: LED
- Type of light: Visible red light
- Wavelength: 650 nm
- Process pressure: -0.5 bar to 20 bar
- Process temperature: -10 °C to +55 °C
- Response time: 10 ms
- Supply voltage: 10 V DC to 30 V DC
- Residual ripple: ≤ 5 V pp
- Power consumption: ≤ 30 mA at 24 V DC without output load
- Protection class: III
- Connection type: M12 round connector, 4-pin
- Output signal: 1 x NPN
- Switching mode: Normally open (NO)
- Output current: ≤ 100 mA with overcurrent and short-circuit protection
- Switching frequency: 250 Hz
- Enclosure rating: IP67, IP69
- Wetted parts: Stainless steel 1.4404 / 316L, Polysulfon FPM
- Process connection: G ½
- Housing material: Stainless steel 1.4404 / 316L
- Ambient operating temperature: -10 °C to +55 °C
- Ambient storage temperature: -25 °C to +70 °C
- MTTFD (mean time to dangerous failure): 2,304 years
- MTBF: 1,178 years
- Dimensions (H x L x W): 60mm x 80mm x 18mm
- Weight: 0.3 kg
Key Features
- Switch measurement type with visible red LED light source
- Wavelength of 650 nm for precise fluid detection
- Process pressure range from -0.5 bar to 20 bar
- Process temperature range from -10 °C to +55 °C
- Response time of 10 ms for fast switching
- Output signal: 1 x NPN with normally open switching mode
- Power consumption ≤ 30 mA at 24 V DC without output load
- Enclosure rating IP67 and IP69 for robust protection
- Housing and wetted parts made of stainless steel 1.4404 / 316L and Polysulfon FPM
- Connection via M12 round connector, 4-pin
- Output current ≤ 100 mA with overcurrent and short-circuit protection
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 process control in chemical, pharmaceutical, and food industries
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 contributes to energy efficiency
- Certified with China-RoHS and ECOLAB for environmental safety compliance
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for detailed warranty terms.
Available Now
The SICK GRF18S-E234LV fluid switch sensor is available for immediate purchase, ideal for industrial fluid monitoring and control applications.
