Ultrasonic Flow Sensor DN25 | Accurate Flow Detection | IP67 Rated | by SICK
The Ultrasonic Flow Sensor DN25 is designed for precise fluid flow measurement in industrial applications. With an impressive measurement accuracy of ± 2% and a process temperature range of 0 °C to +80 °C, it’s perfect for monitoring liquid flow in pipelines. Its IP67 rated enclosure ensures protection against dust and water, making it suitable for use in food, beverage, pharmaceutical, and chemical industries.
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Alternatively Known As: Ultrasonic Flow Sensor DN25, Fluid Flow Meter, Clamp Connection Flow Sensor
Technical Specifications
- Measurement principle: Ultrasonic sensor
- Medium: Fluids
- Nominal width measuring tube: DN 25
- Process temperature: 0 °C to +80 °C
- Process pressure: ≤ 10 bar
- Minimum flow: ≥ 5 l/min
- Maximum flow: ≤ 240 l/min
- Inlet zone: 40 cm
- Output zone: 20 cm
- Conductivity: No limitation
- Measurement accuracy: ± 2% of measured value + 0.15% of measuring range limit
- Repeatability: ≤ 0.5%
- Resolution: 0.03 l/min
- Response time: 100 ms, 300 ms, 1 s, 4.2 s options
- Supply voltage: 18 V DC to 30 V DC
- Residual ripple: ≤ 5 V pp
- Power consumption: ≤ 180 mA
- Switch-on time: ≤ 5 s
- Connection type: M12 round connector, 8-pin
- Output signal: Analog output 4 mA to 20 mA, pulse/status output PNP/NPN transistor
- Output current: < 100 mA
- Output load: < 500 Ohm
- Lower signal level: 3.8 mA to 4 mA
- Upper signal level: 20 mA to 20.5 mA
- Impulse/frequency output: 0 kHz to 10 kHz
- Pulse width: ≤ 1 s
- Inductive load: 1 H
- Capacitive load: 100 nF
- Enclosure rating: IP67
- Process connection: Clamp (DIN 11864-3)
- Wetted parts: PPSU, EPDM
- Housing material: PPSU
- Dimensions (H x L x W): 50mm x 120mm x 80mm
- Weight: 0.46 kg
Key Features
- Ultrasonic sensor measurement principle for accurate flow detection
- Suitable for fluids with nominal width DN 25 measuring tube
- Process temperature range from 0 °C to +80 °C
- Process pressure up to 10 bar
- High measurement accuracy of ± 2% of measured value plus 0.15% of measuring range limit
- Repeatability of ≤ 0.5%
- Resolution of 0.03 l/min
- Fast response time options from 100 ms to 4.2 s
- Analog output signals with 4 mA to 20 mA current flow
- Pulse/status output for flow rate meter and empty pipe detection
- IP67 rated enclosure for protection against dust and water
- Clamp process connection (DIN 11864-3) with PPSU and EPDM wetted parts
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with ultrasonic flow sensors and compliant with local safety standards.
Applications
- Fluid flow measurement in industrial processes
- Monitoring and control of liquid flow in pipelines
- Use in food and beverage, pharmaceutical, and chemical industries
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Non-invasive ultrasonic measurement reduces contamination risk and fluid waste
- Durable materials extend product life and reduce replacement frequency
- Low power consumption enhances energy efficiency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK FFUS25-1C1SR Ultrasonic Flow Sensor is available for immediate purchase, ideal for industrial fluid flow measurement applications.
