Derived parameters and sampling - WXT530

WXT530 Series User Guide
Product status
Document code
M211840EN
Revision
G
ft:locale
en-US
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  ... 10 min​

1 ... 10 min / 1 min steps​

Change in holding register address 0x0002​

Dew point temperature​

[°C] [°F]​

 Dew or frost point temperature derived from air temperature, relative humidity​ 1  ... 10 min​​

1 ... 10 min / 1 min steps​

Change in holding register address 0x0002​

Wind chill temperature​

[°C] [°F]​

 Derived from air temperature, relative humidity as defined by JAG/TI task force in 2001​ 1  ... 10 min​

1 ... 10 min / 1 min steps​

Change in holding register address 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  ... 10 min​

1 ... 10 min /​ 1 min steps​

Change in holding register address 0x0002​

Mixing ratio​

[g/kg]​

 Mass mixing ratio derived from air temperature, relative humidity, pressure​ 1  ... 10 min​

1 ... 10 min /​ 1 min steps​

Change in holding register address 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  ... 10 min​

1 ... 10 min /​ 1 min steps​

Change in holding register address 0x0002​
Table 3. Pressure
Pressure​ Description​ Update interval​ Averaging period

Relative air pressure​

[hPa]​

 Derived from air temperature, relative humidity, pressure, and altitude​ 1 ... 10 min

1 ... 10 min /​ 1 min steps​

Change in holding register address 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 ... 10 min

1 ... 10 min /​

1 min steps​

Change in holding register address 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​ -​