Campbell CPEC300, Руководство по эксплуатации продукта

Страница: 86 / 175

CPEC300/306/310 Closed-Path Eddy-Covariance Systems
77
TABLE 6-12. Data fields in the Flux_Notes Output Table
Data Field Name Units Description
Data Field
Included
T_panel_CDMA_x Deg C
Average panel temperature of the
CDM-A116, where x at the end of the
name is an index from 1 to 4,
representing the each of the thermistors
under the terminal strips of the CDM-
A116
If a CDM-
A116 is used
batt_volt volt
Average battery voltage supplying
power to the datalogger
Always
slowsequence_Tot count
Number of slow sequences during the
averaging interval (for example, the
number of times biomet and energy
balance sensors were measured)
Always
process_time ms Average processing time for each scan Always
process_time_SIGMA ms Standard deviation of scan time Always
process_time_Max ms Maximum processing time for a scan Always
process_time_Min ms Minimum processing time for a scan Always
buff_depth number
Average number of records stored in the
buffer
Always
buff_depth_Max number
Maximum number of records stored in
the buffer
Always
TABLE 6-13. Data Fields in the Zero_Span_Notes Table
Data Field Name Units Description Data Field Included
CO2_gain Adimensional
CO
2
gain factor
[CO2_span_gas/(CO2_span –
CO2_zero)]
Always
H2O_gain Adimensional
H
2
O gain factor
[H2O_span_gas/(H2O_span –
H2O_zero)]
Always
CO2_zero µmol ∙ mol -1
CO
2
mixing ratio during zero (i.e.,
offset)
Always
H2O_zero mmol ∙ mol -1
H
2
O mixing ratio during zero (i.e.,
offset)
Always
cell_tmpr_zero ° C Sample cell temperature during zero Always
cell_press_zero kPa Sample cell pressure during zero Always
scrub_press_zero kPa
Scrub module gauge pressure during
zero
If scrub module used
CO2_sig_strgth_zero Adimensional CO
2
signal strength during zero Always
H2O_sig_strgth_zero Adimensional H
2
O signal strength during zero Always
diff_press_zero kPa
Pressure difference between sample
cell and ambient during zero
Always