Campbell-scientific CPEC200 Closed-Path Eddy-Covariance System Uživatelský manuál stáhnout pdf (Strana 81)

Appendix C. Output Variables

TABLE C-2. Values stored in table flux

Compile

Switch

Variable Name

Units

Description

source_tmpr_Avg

ºC

Average source temperature

pump_ON_Avg

Fraction of time the pump was on

pump_flow_Avg

LPM

Average pump flow

pump_control_Avg

Average pump control value

pump_press_Avg

kPa

Average pump pressure

diag_CPEC_Avg

Average of diag_cpec

fast_samples

Number of samples included in the averages for

values measured in the main scan

buff_depth_Max

Maximum buffer depth during the output interval

process_time_Avg

µsec

Average processing time

PumpTmprOK_Avg

Fraction of time the pump temperature was within

its operating range

pump_tmpr_Avg

ºC

Average pump temperature

pump_heat_Avg

Fraction of time the pump heater was on

pump_fan_Avg

Fraction of time the pump fan was on

panel_tmpr_Avg

ºC

Average datalogger wiring panel temperature

BattVolt_Avg

Average supply voltage

BattVoltOK_Avg

Fraction of time the system was not shut down

because the supply temperature had dropped below

the limit

slow_samples

Number of samples included in the average for

values Measured in the slow scan

ValveTmprOK_Avg

Fraction of time the valve module temperature was

within its operating range

valve_tmpr_Avg

ºC

Average valve module temperature

valve_heat_Avg

Fraction of time the valve module heater was on

valve_fan_Avg

Fraction of time the valve module fan was on

V, S

scrub_press_Avg

kPa

average pressure at the scrub pump outlet

V, S

ScrubTmprOK_Avg

Fraction of time the scrub module temperature was

within its operating range

V, S

scrub_tmpr_Avg

ºC

Average scrub module temperature

V, S

scrub_heat_Avg

Fraction of time the scrub module heater was on

V, S

scrub_fan_Avg

Fraction of time the scrub module fan was on

LWS

leaf_wetness_Avg

Average leaf wetness sensor reading

LWS

intake_heater_Avg

Average intake heater voltage

zero_span

The zero_span table contains data from the automated zero/span sequences.

Records are written to this table when the calibration sequence is run (either

automatically initiated based on time, or manually initiated). Each zero/span

sequence will put multiple records in the zero_span table, corresponding to the

steps in the sequence. The actual number of records will depend on which

options are chosen. If a step is skipped, no record will be written to table for

that step. See Section 6.2, Automatic Zero and Span, for details.

The records in the zero_span table are distinguished by the first two values:

Sequence_Step (1 to 11) and ValveNumber (0 if no valve is selected, or 1 to

6). Space is allocated on the card for 33,000 records (approximately 200 days

C-5

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 111 112

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