Vaisala DM500 - Manual (Page 93)

Chapter 16 _____________________________________________________ Serial Line Commands
VAISALA _______________________________________________________________________ 91
3. Output needed: Relative humidity and pressure to be shown with
a unit. The fields are separated with " " marks. Carriage return
and line feed in the end.
>form 2.1 rh " " u " " 2.4 p " " u \r \n
2.1 RH " " U " " 2.4 P " " U \r \n
>send
23.0 % 1.0164 bar
Operational Commands
START Starting the Measurement
Syntax: START
Starts the dewpoint measurement and activates the cooling system.
STOP Stopping the Measurement
Syntax: STOP
Stops the dewpoint measurement and disables the cooling system.
PUMP Starting/Stopping the Optional Sample Gas
Pump
Syntax: PUMP ON/OFF
Example:
>pump
Pump : OFF
>
>pump on
Pump : ON
>
>pump off
Pump : OFF
>