Vaisala PTU300 - MODBUS Register Map and Data Encoding

USER'S GUIDE____________________________________________________________________
206 _________________________________________________________________ M210796EN-F
(10)
where:
h
QNH
= station elevation (m)
g
= 9.81 (m/s
2
)
R
= 287 (J/kg/K)
T
0
= 288.15 (K)
α
= -0.0065 (K/m)
(11)
where:
p
= measured air pressure
H
HCP
= height difference between the barometer and the reference
level (m)