Derived parameters and sampling - WXT530

WXT530 Series User Guide

Document code
M211840EN
Revision
F
Language
English (United States)
Product
WXT530
Document type
User guide
Table 1. Temperature
Temperature​ Description​ Update interval​ Averaging period​

Wet bulb temperature​

[°C] [°F]​

Temperature of moist or icy surface exposed to air flow​ 1 min​

1 - 10 min / 1 min steps​

Change in holding addr. 0x0002​

Dew point temperature​

[°C] [°F]​

Dew or frost point temperature derived from air temperature, relative humidity​ 1 min​

1 - 10 min / 1 min steps​

Change in holding addr. 0x0002​

Wind chill temperature​

[°C] [°F]​

Derived from air temperature, relative humidity as defined by JAG/TI task force in 2001​ 1 min​

1 - 10 min / 1 min steps​

Change in holding addr. 0x0002​

Table 2. Humidity
Humidity​ Description​ Update interval​ Averaging period​

Absolute humidity​

[g/m³]​

Mass of water vapor in a certain volume; derived from air temperature, relative humidity, pressure​ 1 min​

1 - 10 min /​

1 min steps​

Change in holding addr. 0x0002​

Mixing ratio​

[g/kg]​

Mass mixing ratio derived from air temperature, relative humidity, pressure​ 1 min​

1 - 10 min /​

1 min steps​

Change in holding addr. 0x0002​

Specific enthalpy​

[kJ/kg]​

Parameter of state of the humid in air. Specific enthalpy (heat capacity) is composed of the components of the mixture and related to the mass fraction of dry air at 0 Celsius.​ 1 min​

1 - 10 min /​

1 min steps​

Change in holding addr. 0x0002​

Table 3. Pressure
Pressure​ Description​ Update interval​ Averaging period

Relative air pressure​

[hPa]​

Derived from air temperature, relative humidity, pressure, and altitude​ 1 min​

1 - 10 min /​

1 min steps​

Change in holding addr. 0x0000, 0x0002, 0x0003

Table 4. Air density
Air density​ Description​ Update interval​ Averaging period

Air density​

[kg/m³]​

Indicates the amount of mass in a given volume of air.​ 1 min​

1 - 10 min /​

1 min steps​

Change in holding addr. 0x0002​

Table 5. Precipitation
Precipitation​ Description​ Update interval​ Averaging period​

Precipitation quantity​

[mm] [in]​

Absolute and differential values since the last measurement request​ Event based​ -​