Casella CEL Nomad portable weather station - Manual (Page 12)

laboratory or office before attempting it
in the field. Referring to Figure 4,
deploy the equipment as follows.
Tripod
1. Taking care not to disturb the
sensor head in its foam
packing, remove the tripod
from the large carrying bag.
2. Release the winged locking-
screws and spread the three
legs, pulling upwards on the
upright until the support
struts are horizontal, then
lock in place.
3. Stand the tripod on its feet in
the required location.
For siting advice, refer to
Section 2.1.
Sensor Head
4. Carefully remove the sensor
head from the foam protection
in the large carrying bag.
5. Insert the foot of the sensor head into the clamp fixture in the top of
the tripod extension tube and clamp it securely in place.
6. Carefully raise the tripod extension tube, complete with sensor head, as
high as it will go and clamp it in place.
A stop prevents the tube from being removed from the upright.
7. When additional sensors are supplied with a Nomad Special System,
they will all be connected to a common auxiliary junction box. Remove
this from the bag.
Connection
8. Remove the rain gauge from the small bag.
9. Tip the environmental case on to its back to reveal the colour-coded
connectors in the bottom panel.
10. Remove the blanking plug from the 8-pin (red) socket and plug in the
cable from the sensor head (red plug).
11. Remove the blanking plug from the 4-pin (blue) socket and plug in the
cable from the rain gauge (blue plug).
12. When additional sensors are to be used, remove the blanking plug from
the 7-pin (yellow) socket and plug in the output cable from the
auxiliary box (yellow plug).
13. Open the two clamp screws on the rear of the environmental case,
engage them on the tripod upright then clamp the case loosly in place
on the tripod upright.
Commissioning
Sensor
Head
Tripod
Extension
Env.
Case
Colour
Coded
Connectors
Clamp
Fixtures
Clamp
Screws
Winged
Locking-
Screws
01054
"N"
Support
Struts
Legs
Pegs
Figure 4: Deploying the tripod and
sensor head
Page 12 of 68
NOMAD Portable Weather Station
Users Handbook