Campbell CPEC200 User manual

CPEC200
Closed Path
Eddy Covariance System
Quickstart Guide
December 2011

1. Setup tripod and mount enclosures.
CPEC200 Enclosure
EC100 Enclosure
Pump Module

2. Ground tripod and enclosures.
Ground Lug
Grounding Rod

3. Setup tripod or mast with CM20X Crossarm.
Crossarm-To-Pole
Bracket
CM20X Crossarm

4. Mount gas analyzer and sonic anemometer.
EC155 Gas Analyzer
CM20X Crossarm
EC155 Boom
Adapter
Mounting
Platform
CSAT3A Sonic
Anemometer Head
Leveling Bubble

5. Connect EC155 and CSAT3A to EC100 Electronics.
EC155 Analyzer Cable
CSAT3A Cable
EC155 Sample Cell Cable
EC155 Sample Cell Cable
CSAT3A Cable

6. Connect system plumbing.
Zero Air Tubing
Analyzer Tubing
Pump Tubing
Pump Module Cable
CO
2
Span Gas
Tubing

7. Connect system wiring and insert compact flash (CF) card.
EC100 Power and SDM Cables
System Power Cable
(ensure +12 Vdc power
supply is off)
Insert CF Card

Power Cable
to EC100
EC100 SDM
Cable
Power Cable to +12Vdc
Power Supply (off)
SDM Cable to EC100
EC100
Power Cable

8. Turn on the +12 Vdc power supply and use the datalogger keyboard display to set settings and
initiate zero/span checks.(Follow the steps from left to right, top to bottom).
System Control
Sonic Azmth :0.00000
Change Press Source >
Mode :EC_off_auto_zro>
On Site Zero & Span >
View Data
Dfl Tub Dly :1.00000
System Menu
Select “Sonic Azmth”.
Press <Esc> to activate the display.
Press <Enter> to display the System
Control Menu.
Campbell
Scientific
CR3000 Datalogger
12/02/2011, 14:00:08.4
CPU: CPEC200_vx_x.cr3
Running.

Modify Value
NUM
Sonic Azmth
Current Value:
0.00000
New Value:
150
System Control
Sonic Azmth :150.000
Change Press Source >
Mode :EC_off_auto_zro>
On Site Zero & Span >
View Data
Dfl Tub Dly :1.00000
System Menu
If your CPEC200 does not have a valve
module, skip to the last step. Otherwise,
select “On Site Zero & Span".
Enter in the CSAT3A sonic head
azimuth.

On Site Zero & Span
Span Concentrations >
Do Zero : False
Do CO2 Span : False
Do H2O Span : False
Select the “Span Concentrations” menu.
Select “CO2”.
Span Concentrations:
CO2 :0.00000
Td :10.0000

Enter in the CO2 span bottle
concentration in ppm.
Press <Esc> twice to return to the System
Control menu. Select the “Mode” menu.
System Control
Sonic Azmth :150.000
Change Press Source >
Mode :EC_off_auto_zro>
On Site Zero & Span >
View Data
Dfl Tub Dly :1.00000
System Menu
Modify Value
NUM
CO2
Current Value:
0.00000
New Value:
400

Mode
EC_on_auto_zro_spn
Ambient_press
Zero_all
Span_CO2_1
Span_CO2_2
Span_CO2_3
Span_CO2_4
Select “EC_on_auto_zro_spn”.
Press <Esc> to exit.
Campbell
Scientific
CR3000 Datalogger
12/02/2011, 14:00:08.4
CPU: CPEC200_vx_x.cr3
Running.

Please visit www.campbellsci.cato obtain contact information for your local Canadian or International representative.