Thermo Scientific AquaSensors™ DataStick™ Measurement System User Guide
86
ASCII Commands to Set Temperature units
Function
Command
Explanation
Set °C
STUNITS 0
Sensor data will be reported in °C
Set °F
STUNITS 1
Sensor data will be reported in °F
All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted
4 . 5 . 2 . 5
A T M O S P H E R I C P R E S S U R E S E T T I N G F O R A I R C A L I B R A T I O N
Select PRESSURE from the Configuration pull-down menu to view or change the setting of atmospheric pressure used
during an air calibration.
Edit the pressure setting by typing a new value in the edit box. To accept the change, click OK. To abort the change,
click CANCEL.
The system will accept any number between 539.2 and 792.4 with up to one decimal place.
The default PRESSURE setting for dissolved oxygen and ozone measurements is 760mm•Hg.
ASCII Command to View Conductivity Reference Temperature
Function
Command
Response
Explanation
Get Pressure
GPRESS
A number between 539.2 and 792.4
Data reported in mm•Hg
ASCII Command to Set Conductivity Reference Temperature
Function
Command
Explanation
Set Pressure
SPRESS X
Where X is a number between 539.2 and 792.4. Units are in mm•Hg
All Set Commands will respond with “OK” if accepted and “ERROR” if not accepted
4 . 5 . 2 . 6
S A L I N I T Y S E T T I N G
Select SALINITY from the configuration menu to view or change the salinity compensation for dissolved oxygen measurements.
The default compensation slope is 0 mS/cm. The system will accept any number from 0 to 999.9 with up to one decimal place.
