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Fluid Level Switch Sensor | Visible Red LED Light | PNP Output | 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 a 650 nm wavelength. With a robust process pressure range of -0.5 bar to 20 bar and an ambient temperature tolerance of -10 °C to +55 °C, this sensor is perfect for industrial applications requiring reliable monitoring. Its stainless steel construction ensures durability, while the fast response time of 10 ms enhances operational efficiency.
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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 PNP normally open
- 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 EPDM
- 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 at 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 for fast switching
- Output signal: 1 x PNP normally open (NO) switch
- Power consumption ≤ 30 mA at 24 V DC without output load
- Enclosure rated IP67 and IP69 for high protection
- Housing and wetted parts made of stainless steel 1.4404 / 316L and polysulfon EPDM
- 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 applications with process pressures from -0.5 bar to 20 bar
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 design minimizes energy use
- Certified to China-RoHS ensuring reduced hazardous substances
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK GRF18S-F234EV fluid switch sensor is available for immediate purchase, ideal for industrial fluid monitoring and control applications.
