Table 2 Technical characteristics of measurement instrumentation

Temperature / Relative Humidity

HOBO Pro V2 Temp/RH Data Logger

Sampling Rate

1 Second to 18 Hours

Temperature Measurement Range

−40°C to 70°C (−40° to 158°F)

Temperature Accuracy

±0.2°C over 0° to 50°C

RH Measurement Range

0 to 100% RH

RH Accuracy

±2.5% from 10 to 90%

Radiation Shield, model RS1

Solar Radiation Shield protects external sensors from the effects of sunlight and rain to ensure high accuracy measurements and is designed to allow maximum air flow around the sensor

Outdoor Temperature sensor

Temperature

from −50°C to +90°C

accuracy

±0,15°C

Radiation Shield, model RS3

Solar Radiation Shield protects external sensors from the effects of sunlight and rain to ensure high accuracy measurements and is designed to allow maximum air flow around the sensor

data logger

stylitis10

Wind Speed / Wind Direction

WindSonic Ultrasonic Wind Sensor

2-axis ultrasonic wind sensor

Wind Direction Range

0 to 359°

Operating Temperature

−35°C to +70°C

Wind Speed Range

0 -60 m/s (116 knots)

Accuracy

±2% @12 m/s

Resolution

0.01 m/s (0.02 knots)

Response Time

0.25 seconds

Threshold

0.01 m/s

Photo-Radiometer

Delta OHM 2102.2 photo-radiometer

Operating Temperature

−5° C to +50° C

storage temperature

−25° C to +65° C