완성도 높은 기상측정용 기구물입니다. 미풍에도 잘 회전되도록 부드럽게 작동되는 풍량계와 풍속계, 그리고 강수량계가 제공됩니다. 풍속은 회전시마다 내장 스위치 단속에 의해 감지되어 단위시간당 회전속도를 계산할 수 있으며, 풍향은 내장된 가변저항의 변위를 ADC입력으로 감지하여 측정할 수 있습니다. 특히 강우량 측정용 수량센서의 작동원리는 매우 놀랍습니다. 일정한 양(수위)에 도달시 상태전이를 하면서 스위치를 작동시키는 방법이므로 스위치 단속 횟수 카운팅만으로 강수량을 손쉽게 측정할 수 있습니다.

 

예제소스 및 상세한 소개글 보기 링크

 

 

Description:

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. The vane’s magnet may close two switches at once, allowing up to 16 different positions to be indicated. 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.

GET STARTED WITH THE WEATHER METER ASSEMBLY GUIDE

Note: Some basic assembly is required.

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

Features

• •28.5" x 8"



Documents:

• • Datasheet
• • Weather Meter Assembly Guide