Flowtronic – Beluga Open Channel Ultrasonic Digital Doppler Flowmeter Sensor

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Description

Flowtronic – Beluga

Applications:

  • SEWER/CHANNEL NETWORKS MONITORING:
  • Sewer evaluation studies
  • Capacity studies
  • Combined sewer overflow(CSO) studies
  • Inflow & infiltration studies
  • Discharge
  • Billing / custody transfer

INDUSTRY & HYDROPOWER:

  • Plant effluent
  • Process waste water
  • Industrial compliance monitoring

KEY FEATURES:

  • Improved accuracy due to digital spectral analysis of the velocity distribution
  • Easy integration with existing SCADA or telemetry systems
  • Embedded RS485 communication port with Modbus ASCII protocol
  • Straight 4-20 mA output for velocity
  • ERTACETAL outer shell with epoxy potting within
  • IP68 enclosure
  • Avalable in 2 versions: 20° and 45°
  • Bidirectional measurement

Specifications:

  • Velocity Measurement:
  • Method: Ultrasonic Doppler
  • Frequency: 1 Mhz
  • Range: -2 to +6 m/s
  • Measurement: Bi-directional
  • Accuracy: Better than 1% + zero stability
  • (according to hydraulic and installation conditions compliance)
  • Zero Stability ±0,01 m/s
  • Resolution 0,001 m/s

Optional Combined Level Measurement (Ultrasonic)

  • Method: Ultrasonic pulsed echo
  • Range: 0,00 to 1,75 m (with RAV-0002/ULS-02)
  • 0,00 to 5,75 m (with RAVE-0006/ULS-06)
  • Accuracy: ±0,03% of reading (with RAV-0002/ULS-02)
  • ±0,02% of reading (with RAV-0006/ULS-06)
  • Includes non-linearity + hysteresis
  • Temp. Error: Max. 0,04%/K
  • Resolution: 1 mm

Optional Combined Level Measurement (Radar)

  • Method: Non-contact Pulsed Radar
  • Range: 0,00 to 15m
  • Accuracy: ±2 mm of reading
  • Resolution: 1 mm

Optional Seperate Level Measurement:

  • Method: Any 4-20 mA loop powered sensor

Flow Measurement:

  • Method: Conversion from measured velocity ti avearage velocity based on integrated
    spectral analysis of the velocity distribution in the cross-sectional area.
    Conversion of water level and pipe size to fluid area. Multiplication of fluid area.
    Multiplication of flud area by average velocity to obtain the flow rate.

Communication:

  • RS-485 communication port with Modbus ASCII slave commumication protocol.

Outputs(optional)

  • 4-20 mA 1 for validated velocity (vQP) or validated velocity including median filter (vQPMF).

Internal Temparature Measurement:

  • Method: Internal Temparature sensor
    Range: -40°C to 80°C

Material and Dimensions:

  • Enclosure: HIGH IMPACT PVC-C
  • Dimensions: 190mm L, 48mm W, 28mm H
  • Weight: 0,26 kg
  • Protection rate IP68

Environmental Conditions:

  • Operating temperature range  -20°C to 50°C
  • Storage temperature range  -30°C to 60°C

Supply Voltage Required:

    • 4 to 26 VDC (max.  130 mA @ 12 VDC )

Power Consumption:

    • Sleep: 60 mA  @ 12 VDC
    • Measuring: 120 mA @ 12 VDC

Sensor Cable:

  • Material: Polyurethane jacket
  • Length: Standard 10m
  • Optional: 20m , 30m or length  as needed  up to 300 m

Additional information

Weight 0.26 kg
Dimensions 19.0 × 4.8 × 2.8 cm