User Manual for AML Oceanographic’s Micro SVT Sensor
9
4
PREPARATION FOR USE
4.1
INSPECTING THE INSTRUMENT
At AML we do our best to package our instrumentation to avoid damage during shipping,
as should the user. However accidents do happen, so an inspection of the Micro SVT
Sensor before each use will assist in spotting problems that could lead to inaccurate data or
possible failure. Examine the outside of the shipping case for evidence of heavy impacts
during transport. If signs of damage are visible continue with the inspection as follows and
notify the carrier and the factory of any damage found. Check that the communications and
power connector is not loose and that there is no dirt or grit in the connector(s). Examine
the cable for cuts or wear and check the connector ends for visible damage. Check for a
cracked or chipped sound velocity sensor, as this will change the calibration of the sensor.
Check the temperature probe for signs of damage to the capillary tube.
4.2
CONNECTION TO A COMPUTER
The user communicates with the Micro SVT Sensor via any IBM or compatible computer
or data collection device. An AML supplied data cable will link the two. Refer to the
wiring diagram in appendix C. At one end of the cable is a DB25 or DB9 female connector
that plugs into the computer's serial port and at the other end is an 8 pin plug that is inserted
into the communications port of the Micro SVT Sensor. When this connection has been
made and 12 volts applied, the instrument is powered up and ready to communicate with the
computer.
WARNING:
A plug or cable must be installed in the connector at all times when the instrument is
immersed in water. Failure to do so will cause corrosion to the connectors and may
cause water damage in the electronics housing
.
