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Fluid Pressure Sensor | Continuous Measurement | IP68 Rated | Stainless Steel Housing | by SICK
The Fluid Pressure Sensor LFH-SW4X0G1AS25SZ0 offers continuous measurement of fluid pressure, with a process range from 0 mH2O to 4 mH2O and a temperature range of –10 °C to +50 °C. Designed for industrial applications, this sensor features high accuracy with non-linearity of ≤ ± 0.2% of span and a durable IP68-rated stainless steel housing, making it ideal for water treatment systems and environments requiring reliable pressure monitoring.
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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, 25 m length
- 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): 120mm x 30mm x 30mm
- Weight: 0.18 kg
Key Features
- Continuous measurement of fluid pressure
- Process pressure range from 0 mH2O to 4 mH2O
- Process temperature range from –10 °C to +50 °C
- Output signal: 4 mA to 20 mA, 2-wire
- High accuracy with non-linearity ≤ ± 0.2% of span
- Long-term stability with ≤ ± 0.2% span drift per year
- Protection class III with IP68 enclosure rating
- Stainless steel 1.4404 / 316L housing and wetted parts
- PUR cable connection with 25 m cable length
- Dielectric strength 500 V DC and electrical safety features
Professional Installation Requirements
- Installation should be performed by a qualified technician or electrician familiar with fluid pressure sensors and electrical safety standards to ensure proper setup and compliance.
Applications
- Fluid pressure measurement in industrial processes
- Monitoring and control in water treatment systems
- Use in environments requiring continuous pressure monitoring
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable stainless steel construction extends product life reducing waste
- 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's official warranty policy for details.
Available Now
The SICK LFH-SW4X0G1AS25SZ0 fluid pressure sensor is available for immediate purchase, ideal for industrial fluid monitoring and control applications.
