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Signature250

The Signature250 is an ideal, cost-efficient instrument for users looking for long range, but without the need for the full 1000 meter range of its big brother – the Signature55. The aptly named Signature250 has a frequency of 250 kHz with a pr

Nortek AS
Vangkroken 2
1351 Rud
Norway
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Description

The Signature250 is an ideal, cost-efficient instrument for users looking for long range, but without the need for the full 1000 meter range of its big brother – the Signature55. The aptly named Signature250 has a frequency of 250 kHz with a profiling range of 200 meters. It is capable of measuring waves and ice from 150 meters depth. This 250 kHz frequency, true broadband instrument brings you a host of features and benefits carefully developed around the needs of the scientists and engineers working both within academia and in the offshore industry.

Specifications

  • Year of last update
    2015
  • Width [m]
    0.446
  • Height [m]
    0.523
  • Weight in air [kg]
    18.5
  • Weight in water [kg]
    1.5
  • Min. operating power [V]
    15
  • Max. operating power [V]
    48
  • Max. operating depth [m]
    300
  • Max. battery lifetime [days]
    1825
  • Center working frequency [kHz]
    250
  • Max. typical profiling range [m]
    200
  • Number of beams
    5
  • Nadir angle [deg]
    20
  • Max. Number of cells per beam
    200
  • Min. blanking distance [m]
    0.5
  • Max. ping rate [Hz]
    1
  • Min. cell size [m]
    1
  • Max. cell size [m]
    8
  • Max. velocity [m/s]
    5
  • Speed dependent uncertainty: horizontal [%]
    1
  • Speed independent uncertainty: horizontal [cm/s]
    0.5
  • Compensation for sound speed
    Y
  • Temperature: min [°C]
    -4
  • Temperature: max. [°C]
    40
  • Temperature: uncertainty [°C]
    0.1
  • Tilt: max. [deg]
    360
  • Tilt: uncertainty [deg]
    2
  • Compass type
    Solid State
  • Bottom mount
    Y
  • Inline string mooring
    Y
  • Data Buoy
    Y
  • Marine structures
    Y
  • Tides
    Y
  • Waves
    Y
  • Pressure
    Y
  • Wave direction
    Y
  • Speed of sound
    Y
  • Min. external power [Voltage]
    15
  • Max. external power [Voltage]
    48
  • Typical applications
    Bottom mount, fixed structure

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