Online help for VEL-R-5
General product information
The VEL‑R‑5 is a battery operated, stationary non-contact sensor used to determine the surface velocity of fresh, dirty or grey water in shafts and sewers. A radar sensor is used to carry out the measurement. The flow direction is also detected and signalled by the prefix of the surface velocity value during measurement. Thanks to the internal battery and to the data transmission via local radio connection, the sensor works independently and therefore requires no on site cabeling. Thanks to the compact design, the VEL‑R‑5 is also perfectly suited for installation locations with limited space. The ultra low power technology allows for a long battery life time with both short measurement intervals and high resolution.
Product specifications:
- ATEX certified for zone 0/1
- High resolution
- Large measurement range
- Short measurment interval
- Non-contact measurement
- Compact dimensions
- Ultra low power technology
- Data transmission via local radio connection
- Very low commissioning and operating costs
-
No cabling required
Fields of application:
- Measuring surface velocity
- Detecting flow direction
Frequently asked questions (FAQs)
How do I activate the VEL‑R‑5
?
The VEL‑R‑5 does not have a special transport mode. I.e. it is always ready for operation and does not have to be activated.
Can the VEL‑R‑5
be used to determine the mean velocity or the flow volume?
No
The VEL‑R‑5 can only detect the surface velocity. The flow direction is also determined and signalled by the prefix of the surface velocity value.
What ambient conditions will affect the measurement?
- Turbulent current
- Standing waves
- Rain and wind
For information on how the choice of installation location affects the quality of the measurement values and what measures you can take to optimise accuracy, see section Framework conditions for a reliable measurement.
How do I deactivate the VEL‑R‑5
?
The VEL‑R‑5 does not have a special transport mode and therefore does not need to be deactivated.
A more detailed explanation is provided in section Storage of the product.
