Spaghetti be gone!
Although
an effective method for preventing unnecessary irrigation, one of the
shortcomings of traditional SMS technology is all the wiring that’s
involved in the installation. The add-on SMS pictured below has seven wires on its controller to connect
to the automated timer in order to communicate with the buried sensor
component.
oodles of noodles: an SMS add-on device controller
The
sensor component wires into a zone valve and often requires extension wire to
reach the ideal installation location (driest spot in landscape). Proper installation introduces the labor intensive wire trenching/wire concealing process.
Step one: the wire trench to extend the sensor to the sunny area
Step two: now you see it, now you don't!
In cases
where walkways, driveways and other obstructions impede the wiring route to the
ideal location, compromises must be made that may limit the technology’s
water-saving potential. In other instances, obstacles may discourage installation altogether.
A modern-age SMS
The wireless SMS has two components.
From left: wireless sensor and receiver
The receiver connects to
the digital timer through the timer’s rain sensor ports; it is powered by the
24V timer ports. The sensor can communicate with the receiver at a distance of
up to 500 feet; it is powered by 3 AA batteries.
Another
innovative aspect is how this device portrays soil moisture. In the calibration
process, it will designate field capacity (water content held in soil after
excess has drained away) as 100. From there, as the soil dries the reading will
decrease.
Gainesville, FL: one of 3 wireless SMS installed in on-campus irrigation plot
Once the moisture value reaches 50 or below, the sensor will again allow
irrigation events. This kind of scale greatly simplifies the concept of maximum allowable depletion for the everyday consumer.
See the video here.
The City Beautiful: a wireless SMS trailblazer!
Going statewide
The 15K club
And lastly, in August the UCU celebrated the fifteen
thousandth viewing of the Spanish-language drip irrigation video we produced just
over a year ago. Yes, drip irrigation is that popular and rightly so!
Claro que les gusta: delivering water right to the roots!