LI-COR LI-7500, Инструкция по эксплуатации

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Appendix D
D-22 Appendix D
Table 4: Calibration Commands (Continued)
Command Subcommands Remark
(
Val
{float}) For setting the zero directly. If
not present will trigger a
calibration.
(ZeroH2O
(ZeroCO2 (
Date
{quoted string}) )
The date field triggers the
LI-7500 to do a zero immedi-
ately. The new value will be
returned in an (
Ack
..) record.
(Calibrate
(
Val
{float}) For setting the span directly. If
not present will trigger a
calibration.
(SpanCO2
(SpanH2O
(
Target
{float}) ) Target value in ppm for CO
2
,
or °C for H
2
O (for reference
purposes).
(
TDensity
{float}) ) Target value in mmol m
-3
. (For
computational purposes).
(
Date
{quoted string})