Vaisala HMT310 User Manual
Page 49
Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 49
Example:
If gauge pressure is 1.4 bar, set pressure value 2.4 bar (= 2400 hPa)
>pres 2400
Pressure :
2400
>
Table 8
Pressure Conversion Chart
TO
FROM
hPa
mbar
mmHg
Torr
inHg atm
bar
psi
hPa
mbar
1 1.333224
33.86388
1013.25
1000
68.94757
mmHg
Torr
0.7500617 1
25.40000 760
750.0617
51.71493
inHg
0.02952999 0.03937008 1
29.921 29.52999 2.036021
atm
0.00098692 0.00131597 0.033422
1
0.98692 0.068046
bar
0.001 0.001333224 0.03386388
1.01325
1 0.06894757
psi
0.01450377 0.01933678 0.4911541 14.6962 14.50377 1
Example:
29.9213 inHg = 29.9213 x 33.86388 = 1013.25 hPa/mbar
NOTE
Conversions from mmHg and inHg are defined at 0 °C and for mmH2O
and inH2O at 4 °C.
NOTE
Pressure compensation is intended to be used in normal air only. When
measuring in other gases, please contact Vaisala for further information.