Of course, living in an urban environment won't allow for optimal placement. The sensor should have a radiation shield to protect from the heat of the sun and good ventilation. THERMO-HYGRO SENSOR According to the CWOP Weather Station Guide, ideally thermometer and hygrometer sensors should be mounted 5 feet off the ground in an open area, at least 100 feet from areas of concrete or asphalt. The disadvantage is that it's a little wobbly in heavy winds. Of course, the advantage of using an extendable pole is that I can raise and lower the anemometer easily. I checked for alignment with a compass and bolted the extension and the pole together for stability. After climbing up on the roof and attaching the anemometer to the extension, I lifted the extension into the air. I then screwed the pole into the cast iron elbow, leveled the pole, and strapped the pole to the side of the roof with a wood spacer for increased stability. This made a very solid mounting base for the pole, and got the mount out from under the lip of the roof. I secured the heavy flange to a support strut on the house, screwed the pipe into the flange, the elbow into the pipe. What I did was purchase a cast iron flange, a three-foot black cast iron pipe, a cast iron 90-degree elbow, and an aluminum extendable painter's pole, and some metal straps. I strongly recommend you don't start putting holes in your roof.Īs soon as I receiving my station in the mail, I went out and bought a hodgepodge of items to get my anemometer mounted. Not only is the roof higher then most people are comfortable with, but there's the challenge of attaching the anemometer somehow to something and get it up there. Mounting to the house can present some challenges of it's own. So like many, I chose to mount it on my house. This is why Davis provides a long cable so you can separate the anemometer and put it up high. I know Davis shows the anemometer mounted to the ISS, but putting an anemometer down low is not a good way to measure wind and putting the ISS up high is not a good way to measure temperature/humidity. Don't forget to check for level and correct orientation with a compass. I then capped it and mounted to the roof support beam on the playset with some 1 1/4 inch metal straps. I took a 3/4 inch pipe and siliconed it inside of a 1 1/4 inch pipe to provide extra rigidity. Our local home improvement megastore has 5 foot PVC pipes. I also decided that I don't like mounting long, pointy metal things into the air (they're called lightning rods). Since our new VP2 is wireless, I decided to mount it on our kids huge playset in the backyard. Since I have children, mounting the anemometer on the ground is a recipe for disaster. The pole can be aluminum, steel, or PVC piping. The anemometer can be mounted on tripod on the ground (using Guy Wires) or on a structure using a pole and straps.
So, if you don't own a ladder, now is a good time to borrow one.īefore we discuss how I mounted mine, we want to talk options. According to CWOP Weather Station Guide, ideally an anemometer should be mounted 33 feet off the ground in an open area. Small, durable and lightweight with ultra-low power consumption Calypso yacht wind indicators offer the perfect solution for gathering wind speed and directional data on commercial vessels or sailing yachts.Ĭall us now for expert technical advice on 01202 600011 or use our live chat functionality.ANEMOMETER Mounting the anemometer can be a challenge for new weather station owners.
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Ultrasonic sensor technology has many advantages over conventional cup and vane anemometers which have moving parts such as ball bearings that can bind with age or get easily damaged when hit by birds or flying objects.Ĭalypso Instruments are an NMEA wind sensor that allow the user to measure wind speed and direction in real time and connect it to a boats NMEA wind display or network and via Bluetooth to smartphone, tablet or watch.
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