VA 409 – Flow direction switch for compressed air systems
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- Detects flow direction without mechanical movement
- LED indication with potential-free contact output
- Precise measurement with VA 500/VA 520 sensors
The new thermal flow direction switch VA 409 with direction indication serves for determination of the flow direction of compressed air and gases especially in closed circular pipelines.
By means of VA 409 with flow direction indication the flow direction of the compressed air can be determined quickly and safely. Compared with the former mechanical paddle flow switches VA 409 is able to detect even the smallest changes in the flow direction quickly and without any mechanical movement.
The direction information in form of a potential-free contact (normally closed max. 60 VDC, 0.5 A) is transferred to the consumption sensors VA 500/ VA 520 or to a separate building management system (mbs). Two LEDs show the flow direction.
In connection with 2 consumption sensors VA 500/ VA 520 incoming and outflowing compressed air in closed circular pipelines can be measured precisely.
Specs
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Engineered for versatility and reliability, this advanced measurement solution provides precise flow and consumption data, seamless integration with various sensors, and a wide range of customizable options for diverse industrial applications.
Product Type
Thermal Flow Direction Switch
Flow Detection
Detects small flow changes <0.1 m/sOutput Signal
Potential-free contact (max. 60 VDC, 0.5 A)
Indicators
Two LEDs for flow direction
Installation
Easy installation under pressure
Compatibility
Works with VA 500/VA 520 sensors
Durability
No mechanical wear parts