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Fluid Level Sensor | Continuous Measurement | IP68 Rated | High Accuracy | by SICK
The Fluid Level Sensor offers continuous fluid measurement with a process pressure range of 0 mH2O to 4 mH2O, making it ideal for industrial applications. With high accuracy and an IP68 rated enclosure, this sensor is built for reliable performance in harsh environments, ensuring long-term stability and minimal maintenance.
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Technical Specifications
- Medium: Fluids
- Measurement: Continuous
- Process pressure: 0 mH2O to 4 mH2O
- Process temperature: -10 °C to +50 °C
- Maximum ohmic load RA: 4 mA to 20 mA, 2-wire, RA ≤ (L + – 10 V) / 0.02 A - (0.14 x cable length in m) Ohm
- Non-linearity: ≤ ± 0.2 % of span (BFSL) according to IEC 61298-2
- Accuracy of sensor element: ≤ ± 0.5 % of span
- Non-repeatability: ≤ ± 0.1 % of span
- Long-term drift/one-year stability: ≤ ± 0.2 % of span
- Temperature coefficient: Mean TC of zero ≤ 0.2 % of span / 10 K, Mean TC of span ≤ 0.2 % of span / 10 K
- Rated temperature range: 0 °C to +50 °C
- MTTF: 403 years
- Supply voltage: 10 V DC to 30 V DC
- Connection type: PUR cable connection, 30 m length
- Output signal: 4 mA to 20 mA, 2-wire
- Enclosure rating: IP68
- Dielectric strength: 500 V DC, NEC Class 02 power supply
- Electrical safety: Protection class III, short-circuit, reverse polarity, surge protection
- Wetted parts: Stainless steel 1.4404 / 316L PA
- Housing material: Stainless steel 1.4404 / 316L
- Cable material: PUR
- Ambient temperature storage: -30 °C to +80 °C
- Dimensions (H x L x W): 120mm x 20mm x 20mm
- Weight: 0.18 kg
Key Features
- Continuous fluid measurement with process pressure range 0 mH2O to 4 mH2O
- High accuracy with non-linearity ≤ ±0.2% of span and sensor element accuracy ≤ ±0.5%
- Long-term stability with one-year drift ≤ ±0.2% of span
- Robust stainless steel 1.4404 / 316L housing and wetted parts
- IP68 rated enclosure for protection against dust and water ingress
- Output signal 4 mA to 20 mA, 2-wire configuration
- Supply voltage range 10 V DC to 30 V DC
- PUR cable connection with 30 m cable length
- Protection class III with short-circuit, reverse polarity, and surge protection
Professional Installation Requirements
- Installation should be performed by a qualified technician or electrician to ensure proper connection and compliance with electrical safety standards.
Applications
- Fluid level measurement in industrial processes
- Continuous monitoring of fluid pressure in tanks and pipelines
- Use in environments requiring IP68 rated sensors
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable stainless steel construction reduces need for frequent replacements
- Low power consumption with 4-20 mA output signal
- Long service life minimizes electronic waste
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK LFH-SW4X0G1AS30SZ0 fluid level sensor is available for immediate purchase, ideal for industrial fluid monitoring and process control applications.
