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Last update: April 12, 2024, at 07:29 AM
Version: pmwiki-2.3.22

AIRGUN DEPTH DISPLAY UNIT


This unit was designed and made by Halvard S, apprentice at E-workshop Sept 1999 - Jan 2001.

SPECIFICATIONS


SPECIFICATIONS
Depth Sensor
Click to enlarge.
  • Manufacturer: AG Geophysical
  • Model: AGH-3301 (compatible with REF TEK 33-1C ?)
  • Surface frequency: 2000Hz
  • The frequency increases 1 Hz per centimeter (100cm = 2100Hz)
  • Max frequency: 5427Hz (34,27m)
  • Supply voltage: +30V DC max
  • Wiring: + Pin 1, - Pin 2
Microcontroller card
Power
  • Power switch with 1A fuse (Elfa nr. 33-248-11)
  • Transformer
    • Type: RingCore 30VA
    • Primary: 230V AC
    • Secondary 2x 9V AC
    • Elfa nr: 56-121-22
  • The veroboard rectifier/converts this to:
    • 5V DC (630mA Fuse)
    • 22V DC (sensor supply)
Circuit board
Software
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Page last modified on October 29, 2015, at 11:48 AM
Electronics workshop
Department of Earth Science - University of Bergen
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