Table 1.
Instrumental setup of the automatic weather station installed at the South Col in May 2008
| Parameter | Instrument | Sensitive element | Range | Accuracy | Response time (s) | Sensor height (m) |
|---|---|---|---|---|---|---|
| Air temperature |
Thermohygrometer LSI Lastem DMA 672a |
Pt100 Class B 1/3 DIN |
−30°C to 70°C |
±0.1°C (at 0°C) |
10 |
2.5 |
| Relative humidity |
Thermohygrometer LSI Lastem DMA 672a |
Capacitive hygrometer |
0% to 100% |
1.5% (from 5% to 95% at 23°C) |
10 |
2.5 |
| Barometric pressure |
Vaisala PTB330b |
BAROCAP© silicon capacitive absolute barometer |
50 to 1,100 hPa |
±0.75 hPa (from −40°C to +60°C) |
1 |
2.5 |
| Wind speed |
LSI Lastem CombiSD DNA022a |
three-cup and vane anemometer with optoelectronic disc |
0 to 60 m/s |
0.1 m/s + 1 |
2.5 |
3 |
| Wind direction | LSI Lastem CombiSD DNA022a | 2,000-Ω wire potentiometer | 0° to 360° | 1% full scale | 0.74 | 3 |
aLSI Lastem, Milano, Italy. bVaisala Ltd., Suffolk, UK.