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Makes any irrigation controller “smart” Simple to use, yet highly sophisticated in what it does for water savings, the SMRT-Y Soil Moisture Sensor represents a new class of smart control technology. This affordable device precisely monitors moisture levels in absolute – rather than relative – terms, unaffected by soil temperature or electrical conductivity that limit the accuracy of other sensors. Relaying that information back to the controller, it only allows a watering cycle when the root zone moisture drops below the set threshold. Based on the same TDT* sensing technology developed for agricultural applications, the SMRT-Y soil moisture sensor’s long-lasting dependability addresses the environmental demands of both residential and commercial applications. Water savings of 40% or more By optimizing the amount of moisture at the root zone, the SMRT-Y conserves enough water in many applications to pay for itself in less than a year. Avoiding the tendency to overwater, you will enjoy a healthier, lush landscape that is less prone to fungus and shallow root growth. The device eliminates needless watering and lets the soil say when watering is appropriate. Adding a soil moisture sensor allows you to meet many toughening water conservation guidelines that call for “smart” watering devices. Advanced soil moisture sensing technology Checking soil conditions every 10 minutes, the SMRT-Y displays moisture content, electrical conductivity and temperature of the soil, all at the touch of a button. The device also provides watering history for the last 7 irrigation cycles. With soil moisture sensing, you no longer need to be concerned with adjusting the controller. Just program the controller one time to water every day that irrigation is allowed – the soil moisture sensor will do the rest.
","brand":{"@type":"Brand","name":"rain bird"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"4.2"},"review":[{"@type":"Review","author":{"@type":"Person","name":"C***."},"reviewBody":"I am on my 2nd SMRT-Y sensor - having to replace the original 5-year old sensor that failed a few months ago.For reference, my SMRT-Y sensor controls a 2-station irrigation controller connected to drip irrigation for my residential desert / xeriscape landscape in the Mojave Desert of Las Vegas. I have no idea how it will perform in an irrigated lawn environment. However, in a drip irrigation setting for my conditions, it has performed flawlessly.On the Plus Side: This sensor does exactly what it's supposed to do. For my desert plantings, I have it set for 13.0% and the sensor was buried 8\" directly underneath a series of drip emitters. I have the controller set to water every day at 7:00am, and if the soil moisture is above 13.0%, then SMRT-Y will suspend the irrigation cycle. In the summer when daytime high temperatures are normally >105 deg, it will usually allow an irrigation cycle once every 2-3 days - which is perfect. In the cooler winter months, this sensor may only allow an irrigation cycle one every 2-3 weeks - also just about perfect!On the negative side: This sensor only seems to last about 4-7 years. When I dug up the old sensor, it looked brand new - there was zero corrosion or other visible reason for it to fail - it just did for some reason. The stainless steel rods on the old unit looked good as new. The only reason I can come up with for why it failed is the internal electronics. The buried electronics are totally sealed in epoxy resin, so there was no reason for a contamination-related failure. Basically, the electronics of the buried unit just gave out.As a DIY tip: Make sure you use top of line, good water-proof wire connectors when wiring this sensor up - don't skimp on that part. The SMRT-Y is not the easiest thing to get wired-up and going, but once it's working and your settings are dialed in? It's goldenWould I recommend it? Yes, Absolutely - it does save a lot of water. Just realize you'll probably be replacing the buried sensor every 4-7 years. If you're good with that going into the project, then buy it. This sensor beats any weather station setup by far. It truly is a water \"thermostat\" in your yard.","reviewRating":{"@type":"Rating","ratingValue":"5.0","bestRating":5}},{"@type":"Review","author":{"@type":"Person","name":"K***R"},"reviewBody":"UPDATE Jan 2019: I've been using this now for 2 years: 2 moderate/dry winters and 2 torid summers (Phoenix.) So far this has worked flawlessly. I haven't touched it in over a year-and-a-half. All I do is check my yard occasionally and watch my water usage cycle up and down as the seasons change. Very pleased!I've had this in the ground now for about 4 months. Working very well and as advertised. I live in the greater Phoenix area, so my conditions are different than most, but probably on the far extreme, so if it works for me, it will probably work for about anybody.As I don't have a lawn, I'm using it for shrubs and will install a second one for my tree line. For shrubs I buried it about 15\" deep, because that's about in the center of the root zone. I chose a representative shrub as far as size, demand and evaporation rate. Since I knew that I needed to water about every 5 days at that time of year (late Summer) I calibrated it such that it would turn on at about that interval (12%). Amazingly, as the temperature cooled the interval started to increase. We have had some winter rains, so it hasn't watered in about 2 months (winter). Looks like it will water in about another week unless we get more rain. Plants look just fine...so that's pretty much the acid test. I'm going to install another sensor on my tree line. Will bury it at about 24 inches, since that is about mid-root zone. I have it connected to an Irratrol Rain Dial.My only concern is longevity. I have a concern that eventually roots my grow into the loop and break the device, but can't know that until it happens.","reviewRating":{"@type":"Rating","ratingValue":"5.0","bestRating":5}},{"@type":"Review","author":{"@type":"Person","name":"D***S"},"reviewBody":"It does what it is intended to do and does it well.Installation was simple and straightforward with good instructions.","reviewRating":{"@type":"Rating","ratingValue":"4.0","bestRating":5}},{"@type":"Review","author":{"@type":"Person","name":"R***N"},"reviewBody":"I bought a Rainbird SMRT-Y sensor and connected it to a Rainbird ST8x-wifi controller to handle the 6 zone sprinkler system for my lawn. I would like to run 2 zones each night resulting in 3 nights to complete my watering cycle. Unfortunately, one SMRT-y sensor will not work if you have 2 or more zones which you want to run over several nights. Consider the following example. You have 4 zones in your sprinkler system with one SMRT-y sensor in zone 1. You want to schedule zone 1 to run at 3:oo am and zone 2 to run at 5:00 am on the first night and on the second night you want zone 3 to run at 3:00 am and zone 4 to run at 5:00 am. If the SMRT-Y sensor changes to allow watering on the day zone 1 is scheduled zone 1 and 2 will run with no problem that night as scheduled. However, now that that zone 1 is wet the SMRT-y will not allow zones 3 and 4 to run the next night. Bottom line is you must run all your zones contiguosly to make one SMRT-Y work. In my case I would need to run all six zones in one night taking 12 hours non-stop to irrigate the entire lawn. This would result in watering durning the day which no-one recommends. You can solve this problem by adding another SMRT-Y to zone 3 and 4 to control them however, this gets expensive especially if you have 6 or 8 zones. So far I have had no luck getting Rainbird's call center people to understand the problem. Finally, SMRT-y sensor does not communicate it's status to Rainbirds ST8x wifi controller's phone app so you don't know if the sensor has cut watering off or not.","reviewRating":{"@type":"Rating","ratingValue":"1.0","bestRating":5}}]},{"@type":"Product","name":"R-VAN14 - 8-14 ft. 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