Campbell Scientific CR3000 Micrologger User Manual
Page 491
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Appendix A. CRBasic Programming Instructions
491
GPS
Used with a GPS device to keep the CR3000 clock correct or provide other
information from the GPS such as location and speed. Proper operation of this
instruction may require a factory upgrade of on‐board memory.
Syntax
GPS(GPS_Array, ComPort, TimeOffsetSec, MaxErrorMsec,
NMEA_Sentences)
Note To change from the GPS default baud rate of 38400, specify the new baud
rate in the SerialOpen() instruction.
HydraProbe
Reads the Stevens Vitel SDI‐12 Hydra Probe sensor.
Syntax
HydraProbe(Dest, SourceVolts, ProbeType, SoilType)
LI7200
Communicates with the LI7200 open path CO
2
and H
2
O sensor.
Syntax
LI7200(Dest, Reps, SDMAddress, Command)
LI7700
Communicates with the LI7700 open path CO
2
and H
2
O sensor.
Syntax
LI7200(Dest, Reps, SDMAddress, Command)
TGA
Measures a TGA100A trace‐gas analyzer system.
Syntax
TGA(Dest, SDMAddress, DataList, ScanMode)
Therm107
Measures a Campbell Scientific 107 thermistor.
Syntax
Therm107(Dest, Reps, SEChan, Vx/ExChan, SettlingTime, Integ,
Mult, Offset)
Therm108
Measures a Campbell Scientific 108 thermistor.
Syntax
Therm108(Dest, Reps, SEChan, Vx/ExChan, SettlingTime, Integ,
Mult, Offset)
Therm109
Measures a Campbell Scientific 109 thermistor.
Syntax
Therm109(Dest, Reps, SEChan, Vx/ExChan, SettlingTime, Integ,
Mult, Offset)