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Continuous Fluid Level Sensor | IP68 Rated | Overvoltage Protection | High Accuracy | by SICK
The Continuous Fluid Level Sensor is designed for precise fluid level measurement in industrial applications, featuring a robust IP68 enclosure and overvoltage protection. With a process temperature range of –10 °C to +85 °C and high accuracy of ≤ ±0.2% non-linearity, it ensures reliable performance in harsh environments, making it ideal for continuous monitoring of liquids in tanks and vessels.
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Technical Specifications
- Medium: Fluids
- Measurement: Continuous
- Process pressure: 0 mH2O to 25 mH2O
- Process temperature: –10 °C to +85 °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]
- Additional function: Overvoltage protection
- Non-linearity: ≤ ± 0.2 % of span (BFSL) according to IEC 61298-2
- Accuracy of sensor element: ≤ ± 0.25 % of span for Enhanced variant p ≥ 0.25 bar
- 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: FEP cable connection
- Length of cable: 30 m
- Output signal: 4 mA to 20 mA, 2-wire
- Enclosure rating: IP68
- Dielectric strength: 500 V DC
- Electrical safety: Protection class III, short-circuit, reverse polarity and surge protection
- Wetted parts: Stainless steel 1.4404 / 316L PA
- Housing material: Stainless steel 1.4404 / 316L
- Dimensions (H x L x W): 150mm x 20mm x 20mm
- Weight: 0.2 kg
Key Features
- Continuous measurement of fluid levels
- Process pressure range from 0 mH2O to 25 mH2O
- Process temperature range from –10 °C to +85 °C
- Overvoltage protection included
- High accuracy with non-linearity ≤ ±0.2% of span
- Long-term stability with ≤ ±0.2% drift per year
- Protection class III with IP68 enclosure rating
- FEP cable connection with 30 m cable length
- Stainless steel 1.4404 / 316L wetted parts and housing
Professional Installation Requirements
- Installation should be performed by a qualified technician or electrician familiar with fluid level sensors and electrical safety standards.
Applications
- Fluid level measurement in industrial processes
- Continuous monitoring of liquids in tanks and vessels
- Suitable for harsh environments requiring IP68 protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable stainless steel construction reduces waste and extends product life
- Low power consumption with efficient 4-20 mA output signal
- IP68 rating ensures protection against environmental ingress, reducing failure rates
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK LFH-EW025G1AF30SV0 fluid level sensor is available for immediate purchase, ideal for industrial fluid monitoring applications.
