The SDNB 552/2 GAPL flow rate sensor is designed for accurate monitoring of waterbased media in industrial automation and process control applications. Combining flow and temperature measurement in a single compact device, this industrial sensor improves system reliability, enhances process efficiency, and supports predictive maintenance through advanced IO-Link communication. Its robust housing and stainless-steel wetted parts make it ideal for demanding manufacturing environments requiring stable and continuous liquid monitoring.
Built for modern industrial systems, the sensor provides reliable flow detection for water circulation, cooling systems, filtration units, process machinery, and automated production lines. With integrated analog output, switching output, and IO-Link functionality, the SDNB 552/2 GAPL enables seamless integration into Industry 4.0 environments and smart factory automation networks.
Key Features
- Integrated flow and temperature measurement
- IO-Link communication for remote diagnostics and process monitoring
- Analog 4–20 mA and switching outputs available
- Suitable for waterbased industrial media
- Compact inline installation with G1/2 process connection
- Flow monitoring range from 1.0 to 20 l/min
- Temperature monitoring range from 0 to 90 °C
- PNP NO/NC programmable switching output
- IP65 protection for industrial environments
- Stainless steel AISI 316 Ti media-contact materials
- Programmable averaging, window, and delay functions
Application
The SDNB 552/2 GAPL is widely used in industrial cooling circuits, water treatment systems, process engineering, machine tools, filtration equipment, and automated fluid handling systems. It helps operators detect insufficient flow, overheating conditions, clogged pipelines, and pump failures before critical downtime occurs. The integrated temperature monitoring function also supports preventive maintenance strategies in process automation systems.
Its IO-Link capability allows centralized process monitoring, remote maintenance access, and real-time diagnostics in industrial manufacturing environments.
Design & Functionality
This compact flow monitoring sensor combines precision sensing technology with flexible integration options for industrial automation. The sensor continuously measures liquid flow and temperature while transmitting process data directly to control systems through IO-Link communication.
The programmable switching output allows users to configure operating ranges, switching windows, delay timing, and averaging functions according to process requirements. The analog 4–20 mA output provides stable signal transmission for industrial PLC and automation systems.
The rugged PBT-GF30 housing and stainless-steel sensor surface ensure long-term durability even in harsh operating environments involving pressure, moisture, and continuous operation.
Total Crossed Beams
Optimized sensing technology enables stable and highly responsive flow detection across varying process conditions. The sensor architecture supports accurate monitoring for continuous industrial liquid applications.
Beam Pitch Options
The compact sensing structure allows efficient installation in restricted industrial piping systems while maintaining consistent measurement performance across the detection range.
Intrinsic Synchronism
Advanced IO-Link communication ensures synchronized process data transmission for both flow and temperature values, improving automation accuracy and system response times.
Operational Advantages
- Reduces unexpected equipment downtime
- Supports predictive and remote maintenance
- Improves industrial process stability
- Enables accurate water flow management
- Simplifies integration into automation systems
- Enhances operational efficiency in manufacturing environments
- Minimizes maintenance costs through real-time diagnostics
