Vaisala HMT310 - Manual (Page 41)

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 41
Table 8 Other Commands
Command Description
? Check transmitter settings
?? Check transmitter settings in POLL mode
ECHO [ ON/OFF] Serial bus echo
FIND All devices in POLL mode send their
addresses
HELP List commands
PRES Set ambient pressure for calculations (non-
volatile)
XPRES Set ambient pressure for calculations
FILT Set result filtering
RESET Reset transmitter
ERRS Display error messages
Table 9
Setting, Scaling and Testing Analog Outputs
Command Description
AMODE Set analog outputs (0/4 ... 20 mA and 0 …
5/10 V, 1 …5 available through scaling)
ASEL Select parameter for analog outputs
ASCL Scale analog outputs
ITEST Test analog outputs
AQTEST Test analog outputs for desired readings
AERR Set error outputs
Table 10
Calibration and Adjustment*
Command Description
CRH Relative humidity calibration
CT Temperature calibration
LI Revert factory calibration
L View the currently applied standard user
adjustment offset and gain
FCRH RH calibration after sensor change
CTEXT Set calibration information text
CDATE Set calibration date
ACAL Analog output calibration
MPC Multipoint RH calibration
*These commands are presented in section Calibration and Adjustment
Commands on page 70.
Table 11
Chemical Purge
Command Description
PUR [ON/ OFF] Enable or disable automatic chemical
purge
PURGE Activate chemical purge
PURR [ON/ OFF] Enable or disable automatic chemical
purge in power-up
Table 12
Sensor Heating
Command Description
XHEAT [ON/OFF] Enable or disable sensor heating