SKZ 400 WR is an industrial flow sensor amplifier engineered for accurate flow condition monitoring and dependable process automation. Designed for use with ST/STK 400 series flow sensors, this measuring and evaluation electronic unit delivers stable switching performance for industrial liquid flow systems, cooling circuits, machinery protection, and automated production environments. The amplifier combines intuitive operation, LED status visualization, relay switching outputs, and temperature monitoring functions to support reliable industrial process control.
Built for DIN rail mounting, the SKZ 400 WR simplifies integration into industrial control cabinets and automation panels. Its durable construction, adjustable switch-off delay, and relay-based output functionality make it suitable for demanding process industries requiring dependable monitoring of flow conditions and temperature-related safety operations.
Key Features
- Compatible with ST/STK 400 series flow sensors
- 6 LED indicators for clear flow condition monitoring
- Dual relay change-over switching outputs
- Adjustable switch-off delay from 0 to 25 seconds
- Temperature monitoring range from -20 °C to 100 °C
- DIN rail mounting design for industrial installations
- Potentiometer-based limit value adjustment
- 230 VAC supply voltage operation
- Reliable relay switching for process automation systems
- Compact housing with industrial protection ratings
Applications
SKZ 400 WR is widely used in industrial manufacturing facilities, cooling systems, hydraulic circuits, lubrication systems, process automation equipment, water circulation systems, and machine protection installations. The amplifier helps operators maintain proper flow conditions while reducing the risk of overheating, dry running, equipment damage, and process interruptions.
It is suitable for industrial sectors such as:
- Factory automation
- Process engineering
- Chemical processing
- Cooling and HVAC systems
- Machinery manufacturing
- Water treatment plants
- Packaging equipment
- Industrial fluid handling systems
Design & Functionality
The SKZ 400 WR flow amplifier is engineered for efficient signal processing and dependable switching control. The integrated 6 LED display system allows operators to instantly monitor current flow conditions and operating status. Intuitive potentiometer adjustment enables fast setup of switching thresholds without complex programming procedures.
Its dual relay change-over outputs provide flexible control for alarms, shutdown systems, pumps, or industrial automation equipment. The adjustable turn-off delay helps prevent false switching caused by temporary flow fluctuations, ensuring stable and reliable operation in dynamic industrial environments.
The integrated temperature monitoring function enhances process safety by supervising thermal conditions from -20 °C to 100 °C. This feature is particularly useful for protecting pumps, pipelines, cooling systems, and industrial machinery from abnormal operating conditions.
Total Crossed Beams
The SKZ 400 WR operates with precision flow detection and evaluation principles to maintain accurate signal stability and dependable process response in industrial fluid monitoring systems.
Beam Pitch Options
Its compact DIN rail installation format allows flexible integration into industrial electrical cabinets and automation control systems where space optimization is important.
Intrinsic Synchronism
The amplifier ensures synchronized signal evaluation with connected ST/STK 400 series sensors, supporting consistent switching accuracy and dependable process monitoring performance.
Operational Advantages
SKZ 400 WR improves operational reliability by providing stable flow monitoring, fast relay response, adjustable timing control, and clear LED-based status indication. Its industrial-grade design helps reduce unexpected downtime, improve machinery protection, and enhance efficiency in automated manufacturing and process control applications.
