compact housing
including fastening arm and connection cable
ETS product family: Physical sensors
Product type: Weather station
Intended use
Measurement and evaluation of weather data: wind speed, wind direction, precipitation, brightness, global radiation, twilight, temperature, relative air humidity and air pressure
Installation on the outside of buildings, preferable in the roof and facade area
Operation with additional power supply (ref.-no.: WSSV 10)
Product characteristics
Integrated GPS/GLONASS receiver for automated positioning
Calculation of additional weather data: absolute air humidity, chill temperature, comfort
Function for shading control
Integrated KNX bus coupling unit
Measuring and limit value monitoring
Software logic modules for linking events
Integrated heating
The weather station needs an operating voltage supply of 24 V AC, for example power supply module ref.-no. WSSV 10.
Spare part:
fastening arm ref.-no.: 2225 BFA
Technical data about KNX universal weather station 2225 WS U
| Power supply |
| Rated voltage: |
AC 24 V SELV (± 10 %) DC 21 ... 32 V SELV |
| Current consumption: |
100 ... 400 mA (dependent on the weather) |
| Protection class: |
III |
| Cable type: |
LiYCY 4xAWG26 |
| Cable length: |
5 m |
| Total length per line: |
15 m |
| Number of weather stations: |
max. 3 (per line) |
| KNX medium: |
TP 256 |
| Rated voltage KNX: |
DC 21 ... 32 V SELV |
| Current consumption KNX: |
max. 5 mA |
| Ambient temperature: |
−30 ... +60 °C |
| Stora/transport temperature: |
−25 ... +70 °C |
| Degree of protection: |
IP44 |
| Dimensions (Ø x H): |
130 x 68 mm |
| Wind direction sensor |
| Measuring range: |
1 ... 360° |
| Resolution: |
1° |
| Accuracy: |
± 10 % (laminar wind stream) |
| Wind speed sensor |
| Measuring range: |
approx. 0 ... 40 m/s |
| Resolution: |
0.1 m/s |
| Accuracy (≤ 10 m/s): |
± 1 m/s |
| Accuracy (> 10 m/s): |
± 5 % |
| Temperature sensor |
| Measuring range: |
−30 ... +60 °C |
| Resolution: |
0.1 K |
| Accuracy: |
± 1 K (wind > 2 m/s, for −5 ... +25 °C) |
| Precipitation sensor |
| Measuring range: |
yes / no |
| Accuracy: |
fine drizzle |
| Brightness sensors |
| Number: |
4 |
| Measuring range: |
approx. 0 ... 150 klx |
| Resolution: |
1 klx |
| Accuracy: |
± 3 % |
| Spectral range: |
475 ... 650 nm |
| Dawn sensor |
| Measuring range: |
approx. 0 ... 900 lx |
| Resolution: |
1 lx |
| Accuracy: |
± 10 lx |
| Air pressure sensor |
| Measuring range: |
300 ... 1100 hPa |
| Resolution: |
0.01 hPa |
| Accuracy: |
± 0.5 hPa (20 °C) |
| Humidity sensor |
| Measuring range: |
0 ... 100 % relative humidity (r. h.) |
| Resolution: |
0.1 % relative humidity (r. h.) |
| Accuracy: |
± 10 % rel. humidity (20 °C) |
| Absolute humidity: |
0 ... 400 g/m³ |
| Resolution: |
0.01 g/m³ |
| Global radiation |
| Measuring range: |
0 ... 1300 W/m² |
| Resolution: |
1 W/m² |
| Accuracy: |
± 10 % |
| Spectral range: |
350 ... 1100 nm |
| All accuracy specifications relate to the respective measuring range end value. |
