Miscellaneous Accessories

NIVUS Pipe Profiler II

Part No. NPP0

Pipe measuring section as extension to the mobile flow measurement system Nivu Flow Mobile 750.

  • Calibrated overall system
  • Sensor is always correctly positioned due to guided sensor holder
  • Exactly defined pipe cross-sectional area 
  • Measurement under full filling with ideal flow profile 
  • Proven flow velocity measurement using ultrasonic cross correlation
  • Variable use in different nominal pipe diameters
  • Low weight, installation in shaft by one person possible

 

For measurements under difficult conditions

Calibrated system with unrivalled light weight and short installation length, installation by one person possible. Highly accurate measurement under full filling.
Variable use in different nominal pipe diameters.

 

The measurement system ensures highly accurate determination of the flow rate even under difficult conditions, such as low discharge rates or poor hydraulic flow conditions.

  • Verification of channel utilisation
  • Calibration basis for hydraulic calculation models
  • Determination of required renovation extents
  • Determination of required reservoir volumes (retention basin)
  • Introduction of a channel management system
  • Localisation of extraneous water volumes
  • Influent control
  • Throttle discharge control
  • Determination of basic data for new billing networks

 

 

Common
Max. filling pressure 1.5 bar
Operating temperature -10 °C to +70 °C
Storage temperature -20 °C to +60 °C
Measurement uncertainty 2 % depending on measurement and boundary conditions

Specifications subject to change.

CSM Pipe Sensor
Measurement principle Ultrasonic cross correlation with real flow profile measurement
Measurement frequency 1 MHz
Protection IP68
Ex-Approval II 2G Ex ib IIB T4 Gb (ATEX)
Ex ib IIB T4 Gb (IECEX)
Operating pressure Max. 4 bar
Cable lengths 15 m
Construction 1" pipe sensor with connection flange
Measurement range -100 cm/s to +600 cm/s
Number of scan layers Max. 16
Zero point drift Absolutely stable zero point
Error limits Per scan layer:
< 1 % of measurement value (v > 1 m/s)
< 0.5 % of meas. value +5 mm/s (v < 1 m/s)
Material Stainless steel 1.4571 (AISI 316Ti), PEEK

Specifications subject to change.

DN 150
Outer diameter 148 mm
Inner diameter 90 mm
Weight (sensor head without cable) 11 kg
Total length 835 mm
for assembly in pipe with inner diameter 150 - 300 mm
Qmax approx. 38 l/s
Q with 1m accumulation approx. 17 l/s

Specifications subject to change.

DN 200
Outer diameter 190 mm
Inner diameter 141,8 mm
Weight (sensor head without cable) 15 kg
Total length 970 mm
for assembly in pipe with inner diameter 195 - 500 mm
Qmax approx. 95 l/s
Q with 1m accumulation approx. 42 l/s

Specifications subject to change.

DN 300
Outer diameter 290 mm
Inner diameter 199,4 mm
Weight (sensor head without cable) 27 kg
Total length 1195 mm
for assembly in pipe with inner diameter 265 - 600 mm
Qmax approx. 187 l/s
Q with 1m accumulation approx. 76 l/s

Specifications subject to change.


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