Flow Sensors

NOS Screw-in sensor

Part No. NOS-V2X00

for pressurised pipelines

For high accurate flow measurement using the transit time method according to IEC 60041 process water and high pressure lines.

  • Ultrasonic transit time sensor for connection to NivuFlow 600 and NivuFlow 650
  • High accurate monitoring of hydropower plants
  • Resistant sensor material for use in various media
  • Measurement in clear to slightly polluted water
  • Hydropower plant monitoring with highest measurement accuracy  
  • For 8-path measurements according to IEC 60041 (ASME PTC 18
  • Up to 100 m of cable length between sensor and transmitter or adapter box

NOS screw-in sensors are part of a fixed measurement system for continuous flow measurement and storage of the recorded measurement data. They can be used for clean to slightly polluted media.
NOS screw-in sensors are used for flow measurement in full pipes featuring various dimensions.

Readings are detected based on the ultrasonic transit time principle. Creating a standardised measurement network by installing up to 8 measurement paths according to IEC 60041 allows high accurate measurement results.

Typical NOS screw-in sensor applications

 

  • Fixed measurements in full pipes in hydropower plants, pump stations and similar
  • Irrigation systems
  • Inlets and outlets conducting cooling water or circulation
  • WWTP outlets and many more
  • Industrial flow measurements, process water, pressurised pipelines
  • and many more

 

 

Common
Measurement principleUltrasonic transit time and profile measurement with digital pattern detection
Measurement range-15 m/s to +15 m/s
Measurement uncertainty Flow velocity (vaverage) within path ± 0.1 % of measurement value
Measurement frequency0.9 to 1.2 MHz
ProtectionIP 68
Operating temperature-20 °C to +50 °C
Cable lengthsUp to 100 m between sensor and transmitter or adapter box
Medium-contacting materialsStainless steel 1.4404, carbon

Specifications subject to change.

Technical Instructions for Transit Time Sensors

Instruction Manuals / Technical Information English

Installation Instructions for Transit Time Sensors

Instruction Manuals / Technical Information English
  • Durchflussmesser NivuFlow 600

    NivuFlow 600 Flow Meter

    Allows high accurate flow measurement using the transit time method in full pipes. Up to 4...
    Allows high accurate flow measurement using the transit time method in full pipes. Up to 4 measurement paths.
  • Durchflussmessumformer NivuFlow 650

    NivuFlow 650 Flow Meter

    Allows high accurate flow measurements using the transit time method according to IEC 60041 for part...
    Allows high accurate flow measurements using the transit time method according to IEC 60041 for part filled and full pipes, open channels and water bodies. Up to 8 measurement paths.
Overhead Tank Intake and Discharge Measurement

Volume Measurement Overhead Tank

Non-contact flow measurement in a pipe made of cast iron serving for discharge...
Non-contact flow measurement in a pipe made of cast iron serving for discharge measurement to the overhead tank.
  • Anschweissstutzen für Einschraubsensoren zur einfachen Montage

    Screw-in Sensor Accessories

    The mounting accessories allow quick and easy installation of screw-in sensors in various pipes.
    The mounting accessories allow quick and easy installation of screw-in sensors in various pipes.
  • Durchflussmesser NIS Keilsensor

    NIS Wedge Sensor

    Suitable for flow measurement in part filled and full large pipelines and channels using up to 8...
    Suitable for flow measurement in part filled and full large pipelines and channels using up to 8 measurement paths.

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