Vaisala DRYCAP DMT340 SERIES Guide de l'utilisateur Page 103

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Vue de la page 102
Chapter 4 ________________________________________________________________ Operation
VAISALA ______________________________________________________________________ 103
where
aaaa.a = Absolute process pressure (hPa)
Example:
>pres
Pressure : 1013.00 hPa ?
>pres 2000
Pressure : 2000.00 hPa
>
Table 27 Multiplication Factors
From To: hPa
mbar 1
PaN/m2 0.01
mmHg torr 1.333224
inHg 33.86388
mmH
2
O 0.09806650
inH
2
O 2.490889
atm 1013.25
at 980.665
bar 1000
psia
1)
68.94757
1) Psia = psi absolute.
Example:
29.9213 inHg = 29.9213 x 33.86388 hPa = 1013.25 hPa
Date and Time
Using Display/Keypad
If the optional Data Logger Module is installed, you can change the time
and date using the display/keypad.
1. Press any of the arrow buttons to open the MAIN MENU.
2. Select System and press the arrow button to confirm your
selection.
3. Select Date and time and press the arrow button.
4. Press the SET button to enter the adjustment mode, and use the
arrow buttons to select and change the values.
5. You can also change the date and time formats that are shown in
the graphs. The selected formats are only used in graphical display,
they do not change the formats that are used in the serial
communication.
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