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Außensensor für USB Weather Board

Sparkfun
AKTION

Ab Warenkorbwert 50€ ein Aufkleber gratis!

Hersteller:
Sparkfun
Artikel-Nr.:
EXP-R05-249
Herstellernummer:
SEN-08942
Verfügbarkeit:
0

Weitere Produktdaten ansehen

79,95 €*
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Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can be a really rewarding project. When you're measuring weather, however, you need some pretty specialized sensors. This kit represents the three core components of weather measurement: wind speed, wind direction and rainfall.
 
None of the sensors in this kit contain active electronics, instead they use sealed magnetic reed switches and magnets so you'll need to source a voltage to take any measurements. The positive side of this is that the sensors are easy to interpret:
 
The rain gauge is a self-emptying bucket-type rain gauge which activates a momentary button closure for each 0.011" of rain that are collected. The anemometer (wind speed meter) encodes the wind speed by simply closing a switch which each rotation. A wind speed of 1.492 MPH produces a switch closure once per second. Finally, the wind vane reports wind direction as a voltage which is produced by the combination of resistors inside the sensor. When a voltage is supplied, the voltage returned can be translated to any of 16 possible positions. For more information on how this works, as well as a table of voltage and resistance values for each position, refer to the manual below.
 
All of the included sensors are supplied with RJ11 terminated cables, for information on the pin-out of the cable, check out the datasheet.
 
Dimensions: 28.5" x 8"
 
Kit Includes:
  • Wind Vane
  • Cup Anemometer
  • Tipping Bucket Rain Gauge
  • Two-Part Mounting Mast
  • Rain Gauge Mounting Arm
  • Wind Meter Mounting Bar
  • 2 x Mounting Clamps
  • 4 x Zip Ties
Note: Some basic assembly is required.
 
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