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Wind speed and wind direction – Campbell Scientific ET106 ETo Station User Manual

Page 41

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Section 4. ET106 Sensor Arm Installation

4-7

3

Connector

Pin

Magnetically

Activated Reed

Switch

Wind Speed and Wind Direction

Ground

Pulse

Wind Speed

Analog Ground

Wind Direction
Signal Return

Excitation

10K OHM

10K OHM

Potentiometer

1K OHM

Datalogger

Shield

1

2

4

P1

AG

2H

E2

G

G

5

6

1

2

3

4

5

6

FIGURE 4.10-2. Schematic of 034A-LC Wind Speed and Direction Probe and Connector #2

Solar Radiation

Sensor

40.2 - 90.2 OHM

Connector

Pin

Datalogger

1

3

2

Not Used

Not Used

Not Used

3 H

3 L

G

Shield

4

5

6

1

2

3

4

5

6

FIGURE 4.10-3. Schematic of LI200X-LC Solar Radiation Sensor and Connector #3