Vaisala HUMICAP HMP41 Guía de usuario Pagina 88

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 96
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 87
User's Guide ______________________________________________________________________
86 __________________________________________________________________ M211280EN-A
P
w
is the water vapor pressure (see the equation below). The parameters
A, m, and T
n
depend on temperature according to the following table:
T A m Tn
… 0 °C 6.119866 7.926104 250.4138
0 ... 50 °C 6.1078 7.5000 237.30
50 ... 100 °C 5.9987 7.3313 229.10
100 ... 150 °C 5.8493 7.2756 225.00
150 ... °C 6.2301 7.3033 230.00
Dew/frostpoint Temperature
Dew/frostpoint temperature is calculated using:
1
log
0
0
A
P
m
T
TT
TTT
w
n
dfd
ddfd
C
(2)
P
w
is the water vapor pressure (see the equation below). The parameters
A, m, and T
n
depend on temperature according to the following table:
Td A m Tn
… 0 °C 6.1134 9.7911 273.47
Vista de pagina 87
1 2 ... 83 84 85 86 87 88 89 90 91 92 93 94 95 96

Comentarios a estos manuales

Sin comentarios