Vaisala HMP240 User Manual
Page 43
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HMP240 series
M210300en
User's Guide
41
5.4.3.2
OPEN & CLOSE
OPEN nn <cr>
nn
=
address of the transmitter (0...99)
CLOSE <cr>
In STOP mode: command OPEN has no effect, CLOSE sets the transmitter in
POLL mode
In POLL mode: command OPEN sets the transmitter temporarily in STOP
mode, command CLOSE returns the instrument to POLL
mode
Example: relative humidity calibration is performed at transmitter 2 which is
in POLL mode
>OPEN 2 <cr>
opens the line to transmitter 2
>CRH <cr>
calibration started
...
>CLOSE <cr>
line closed
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