Decagon Devices DS-2 Instrukcja obsługi - Strona 6

Przeglądaj online lub pobierz pdf Instrukcja obsługi dla Przyrządy pomiarowe Decagon Devices DS-2. Decagon Devices DS-2 20 stron. Sonic anemometer

DS-2

accuracy for long-term installations. It outputs SDI-12, and is com-

patible with Decagon's Em50, Em50R, Em50G, and other loggers

like those from Campbell Scientiﬁc.

1.6

Speciﬁcations

Wind Speed Range: 0 to 30 m/s

Wind Speed Resolution: 0.01 m/s

Wind Speed Accuracy: 0.30 m/s or < 3%, whichever is larger

Wind Direction Range: 0 to 359 degrees

Wind Direction Resolution: 1 degree

Wind Direction Accuracy:

Operating Temperature Range: 40 to 50 C

Excitation Voltage: 3.6 to 15 VDC

Current: 0.03 ma quiescent, 0.5 ma; sampling, < 0.05 ma typical

Communication: SDI-12

Diameter: 100 mm

Height (wind sensor): 75 mm

Height (total w/ mount): 155 mm

Maximum sampling speed

Output

: average speed, gust speed, direction, or vector

Connector types: 3.5 mm (stereo) plug or stripped & tinned lead

wires (Pigtail)

Cable Length: Standard is 5 m, though we have custom cable

lengths available upon request

If sampling rate is greater than 0.1 Hz, the anemometer reports the speed

and direction at the time of sampling. If sampled less frequently, the anemome-

ter samples every 10 seconds, averages the vector components of the wind, and

keeps the maximum gust. When the logger samples, the anemometer reports the

average wind speed, direction, and the maximum gust speed.

3 degrees

: 1 Hz

1 INTRODUCTION