Campbell OBS-3A Especificaciones descargar pdf (Pagina 16)

Section 3. Operations

box to select ONLY change host computer port. Then click Apply and the

button.

If you get the OBS-3A information box, the baud rate of the unit is

synchronized with your PC. If you don’t get an information box, repeat the

above procedure.

FIGURE 3.4-1. Dialog Box for Changing Baud Rate

3.5 Testing Sensors

1. Before daily operations and deployments, verify the instrument works by

clicking

Open Plot, and then clicking Survey. Select all

installed sensors and click Start Survey.

2. Wave your hand in front of the OBS sensor; the turbidity signal on the top

plot of FIGURE 3.5-1 will fluctuate and data will scroll.

3. Blow on the temperature sensor to observe an increase in temperature (red

trace on the middle plot of FIGURE 3.5-1).

4. Blow into the pressure sensor and a small elevation in the pressure signal

will occur (bottom plot of FIGURE 3.5-1).

5. Dip the sensor in salty water and conductivity will increase (blue trace on

middle plot).

6. Click

OBS-3A Settings to view time, serial numbers, depth

corrections, and software versions (FIGURE 3.5-2).

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Campbell OBS-3A Especificaciones Pagina 16