8 memory battery replacement procedure, Memory battery replacement procedure – Campbell Scientific TurfWeather Weather Station User Manual
Page 59

TurfWeather Weather Station
These screws are not the screws next to the threaded terminal
studs.
g. Remove the sensor from its post by gently twisting and pulling it
away from the post.
2. Sensor Replacement:
a. Press the new wind direction sensor on the post until it is seated
firmly on the top of the post.
b. Gently twist the sensor body until the raised North reference is
properly aligned.
Refer to Section 4, Quickstart Guide, for a picture of a properly
aligned wind direction sensor.
c. Install and tighten the Phillips head screw on the side of the sensor
one half turn beyond when it is initially tight in the hole (after the
screw has bottomed against the sensor post). Gently pull on the
sensor body to assure it is firmly attached to the sensor post. If not,
then tighten the screw until the sensor cannot be moved.
d. Reattach the three wires to the correct threaded terminal studs and
tighten the nuts using the 1/4-inch wrench. If you did not note the
correct threaded terminal studs, look at the base of the sensor and
count clockwise from the embossed
N reference mark. The first stud
will take the black wire, the second the blue wire and the third the red
wire.
e. Unfold the rubber protective boot and assure that it completely covers
the lower portion of the wind direction sensor, just as it did before you
started this process.
3. System Test:
a. Connect the weather station to the host computer using the RS-232
test cable (if a wired system) and turn on the weather station power
switch. Initiate communications with your weather station using
PC200W.
b. Verify that the wind direction sensor is reporting a position. The
position number should be –0– when the tail of the sensor vane is
aligned with the North reference. Confirm that the wind direction
number increases when the vane is rotated clockwise.
c. Reinstall the weather station on its mast.
6.9.8 Memory Battery Replacement Procedure
This removal and replacement procedure for the memory battery (pn 15598)
requires the main body of the weather station to be opened. The person
replacing this sensor should observe basic electrostatic discharge (ESD)
NOTE
NOTE
49