Family of "ACTIVE TRANSDUCERS"

Note: Models AT408 with removable insert shown.  Model AT250 shown far right.

Specification Data Sheet     Installation Instructions    Engineering Drawing

 

Specifications:

  • Power Consumption:
    • 13.8 VDC @ .035 amps average (0.5 amps peak)
  • Output Power:
    • 1.3 to 320 watts RMS with DSP (Digital Signal Processing)
  • Power varies with transducer element impedance and depth.
  • EPP (Effective Processed Power):
    • 26 to 6400 watts RMS due to DSP.
  • Frequency:
    • 120kHz 
  • Maximum Depth Options:
    • 1,000 feet (300 meters), 1,000 ft. model
    • 450 feet(135 meters), 450 ft. model
  • Minimum Depth- 1.3 feet (.4 meters)

Housings:
  • Glass Filled Nylon (Plastic) Low Profile Thru-Hull
  • Bronze Low Profile Thru-Hull
  • High Speed Lexan Transom Mount (AT250 Model)

Data Interface:
  • NMEA 0183 output sentence:
    • $SDDBT,x.x,f,x.x,M,x.x,F*CS (CS=Check Sum)
    • $SDMTW,x.x,C*CS (CS = Check Sum)

Options:
  • Temperature

Performance Data:
  • Time to lock on to bottom from power on; 8 seconds typical, 20 seconds maximum.
  • Tested at better than 1000 Ft.
  • Low power consumption, 13.8 VDC @ .035 amps average (0.5 amps peak)
  • No interference with other electronics.
  • Excellent surface noise suppression.
  • Excellent high speed operation.

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