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SonTek SonTek-SL

Inspired by the need for a simple way to measure water velocity and level in open channels, the SonTek-SL (affectionately known as the “Side-Looker” ) has earned worldwide acceptance as a long-term monitoring solution. 3G models use SonTe…

  • SonTek SonTek-SL
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SonTek
9940 Summers Ridge Rd
92121-3091 San Diego
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Description

Inspired by the need for a simple way to measure water velocity and level in open channels, the SonTek-SL (affectionately known as the “Side-Looker” ) has earned worldwide acceptance as a long-term monitoring solution. 3G models use SonTek’s proprietary SmartPulseHD®.

Specifications

  • Year of last update
    2014
  • Min. operating power [V]
    7
  • Max. operating power [V]
    15
  • Max. operating depth [m]
    30
  • Max. battery lifetime [days]
    220
  • True Bottom Tracking Capability
    N
  • Center working frequency [kHz]
    500 or 1500 or 3000
  • Max. typical profiling range [m]
    120
  • Number of beams
    3
  • Nadir angle [deg]
    25
  • Max. Number of cells per beam
    128
  • Min. blanking distance [m]
    0.1
  • Lost data at far boundary [%]
    0
  • Max. ping rate [Hz]
    1
  • Min. cell size [m]
    0.04
  • Max. cell size [m]
    30
  • Cell overlap [%]
    50
  • Max. velocity [m/s]
    7
  • Speed dependent uncertainty: horizontal [%]
    1
  • Speed independent uncertainty: horizontal [cm/s]
    0.5
  • Speed dependent uncertainty: vertical [%]
    1
  • Speed independent uncertainty: vertical [cm/s]
    0.5
  • Surface reference capability
    N
  • Surface current measurement
    Y
  • Compensation for sound speed
    Y
  • Single ping rejection of outliers
    Y
  • Temperature: min [°C]
    -5
  • Temperature: max. [°C]
    60
  • Temperature: uncertainty [°C]
    0.1
  • Tilt: max. [deg]
    60
  • Tilt: uncertainty [deg]
    1
  • Compass type
    Magnetic
  • Moving vessel
    N
  • Bottom mount
    N
  • Inline string mooring
    N
  • Data Buoy
    N
  • Marine structures
    Y
  • Conductivity
    N
  • Oxygen
    N
  • Turbidity
    N
  • Tides
    Y
  • Waves
    Y
  • Pressure
    Y
  • Acoustic modem
    N
  • Relocation of transponder
    N
  • Wave direction
    N
  • Speed of sound
    N
  • Real-time interfacing
    RS232; RS422; SDI-12; Modbus; Analog Output (current)
  • Min. external power [Voltage]
    110
  • Max. external power [Voltage]
    240
  • Max. cable length [m]
    1500
  • Baudrate [kbit/s]
    115.2
  • External battery container
    Y
  • Data acquisition software and processing software
    Variable: dependent on application; ViewArgonaut
  • Typical applications
    Side-looking/horizontal applications for open channel flow; Ports & Harbours; discharge monitoring; vessel traffic systems; measurements from bridges or fixed structures

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