However many home users site their sensors on their roofs as this is the only place to avoid rain obstruction which is often the best compromise possible that also allows good air flow to the wind sensors. The guideline is that they be placed between 0.7 to 2 meters high. A gauge being too low can negatively affect the data, too, as rain can splash into the sensor. Wind is the reason why the measurements were so different and why a rain gauge ideally should be sited no more than two meters from the ground to ensure that the data collected is accurate. Proven in 1769, rain gauges placed 10 meters above the ground only receive about 80% of the precipitation that those at ground level in the same location do, and gauges placed 50 meters above the ground receive only 50%. It is also important that a rain gauge be placed at a low altitude where it can catch as much rain as reasonably possible. If the desired location is particularly far or otherwise difficult, a wireless rain gauge would probably be better than one that has to be connected by cable to the indoor console of the weather station. The average user of a home weather station would probably find this rule hard to follow to the letter, so they should just try to keep the rain gauge as far away from any confounding factors as possible and no closer than half the height of the object. A general rule is that a gauge should be placed away from any obstruction, at least twice the height of whatever that object might be. Ideally, they should be installed in an open area, but this should also be a place that is protected from wind coming from any possible direction. Wind is another factor that can have an impact on the accuracy of a rain gauge’s measurements as it can cause splash out.įinding a proper place for a rain gauge can sometimes prove to be a little difficult. Take the second piece of tape and place it on the bottom uncovered half of the ruler. Make sure the ruler is aligned with the bottom edge of the jar. You will do this by placing the ruler on the tape and place the ruler on the jar. Things like trees and buildings can get in the way and affect the amount of rain reaching the gauge. Next, attach the rain gauge ruler to the jar. It is imperative that they be placed in an appropriate place away from any possible obstructions so that they may produce the most accurate data possible.
I wanted to give a little back to the forum because I was able to learn from some other posts and topics here, and it seemed that this issue was not always followed to resolution.The rain gauge is a tool designed to measure precipitation at a particular location for a given amount of time. This is a quick check of the overall circuit, and does not rule out testing via the little button on the outside sensor itself when the sensor is dry. Press it again to turn off the Bypass and the history check should indicate Activated. In Bypass mode, it should indicate Rain Sensor Deacitivated. On the Hunter Rain Clik sensor, you can press the Bypass button on the main unit (mounted by your Rachio), and do a history check. This activated the sensor and I was able to confirm this by seeing Rain Sensor Activated in the history list. Go back and make sure you’ve checked only the S1 if you’ve wired it like I did.Īdditionally: I sprayed some water up onto the sensor from a garden hose. In messing around with this connection it’s easy to have ended up checking both the S1 and S2 boxes under Accessories > Sensors. I turned that off because I don’t have a master valve. On mine, under Advanced Wiring (M Terminal), Master Valve was checked on by default.
Go into Controller Settings on the Rachio app. I had it set up this way for a couple of days and it still wouldn’t work…Here’s what I did that seemed to make a difference: The Orange wire from the sensor is not used. Then follow the Rachio diagram: White/Yellow from sensor to VAC(-) the other Yellow from sensor to VAC(+) and Blue from the sensor to S1. Begin by twisting the white wire from the sensor together with one of the yellow wires from the sensor - it appears that it doesn’t matter which yellow wire you choose. YMMV…This worked for me: First, the wiring diagram offered by Rachio for connecting the Hunter Rain Clik Sensor to the Rachio 3 is correct. I kept the Hunter Rain Clik Sensor from the previous setup. New here but I wanted to share how I was able to connect a Hunter Rain Clik Sensor to my new Rachio 3.
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