NivuFlow Stick

The Flow Stick is a mobile measurement system for discharge measurement in watercourses, such as rivers, streams and canals.

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Advantages

The compact system can be easily transported and is ready for use within moments. Convenient operation via smartphone or tablet makes measurements simple and intuitive. The system contains no wearing parts and is maintenance-free. All components are light weight and compactly attached to the holding rod, which makes handling in the water easy and safe.

The stored data can be read out directly on site via WLAN. Previous measurements can be loaded and visualised. Deviations in the measurement quality are signalled by the system and the quality indication is always stored in the data.

  • Complete detection of the profile
  • Discharge calculation method according to ISO 748:2021: Mean-Section, Mid-Section method
  • Integrated hydrostatic level measurement
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NivuFlow Stick

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+44 (0) 1428 661 660 Call Van Walt
+64 (0)3443 5326 Call Van Walt
+27 21 518 1347

NivuFlow Stick Equipment Options:

Applications

  • Storm water runoff studies
  • Measuring flows in rivers, culverts and streams
  • Monitoring water velocity in ditches and canals
  • Irrigation channel measurement & control
  • Surface water monitoring
  • Industrial outflow monitoring

Specifications

Depth measurement
Measurement range (pressure cell): 0…5 m
Temperature measurement
Resolution 0.01°C, accuracy 0.1°C
Accuracy
< 0.5 % of full scale
Acoustic frequency
1MHz – 3MHz
Minimum water depth for accurate velocity measurement
Min. 30 mm above sensor
Max. immersion depth: up to 100 cm with special accessory
Temperature measurement
Resolution 0.01°C, accuracy 0.1°C
Data memory
1400 discharge measurements
Data transmission
Download via WLAN
Operating temperature
-30°C-+70°C
Storage temperature
-30°C-+70°C
Power supply
8xAA standard or rechargeable batteries
Lifetime
12h permanent use (for operation with 2650 mAh batteries)
Protection Enclosure
IP67
Protection sensor
IP68
Measurement principle
Ultrasonic cross correlation (flow velocity)
Hydrostatic (depth measurement)
TECHNICAL DRAWING

Resources

Manuals & Downloads

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+44 (0) 1428 661 660 +64 (0)3443 5326 +27 21 518 1347