Frequently Asked Questions about the Weathermiser

Q: How does the Weathermiser work?

A: It continuously compares the outside ambient relative humidity
and temperature to preset levels and interrupts irrigation when they
are exceeded.

Q: What are it's advantages?

A: It operates on the rise and fall of relative humidity, and forecasts
precipitation remarkably well. It also measures the evaporation rate.
No probes, or electrical power are required.

Q: How is it installed?

A: You can mount it on a shady outside surface, just keep free
from sprinkler spray or exhaust sources. Make a two wire connection
between your controller and the Weathermiser. Enclosed instructions
are unusually clear.

Q: How do I schedule my start and run times?

A: If your normal run time is say 12-20 minutes a day, use two start
times with 6-10 minutes run time each, etc.

Q: What are the variable dial settings?

A: Relative Humidity is highest in the early morning hours, and lowest
at dusk. The lower settings, given in the instructions are for evening
watering, while the higher one is for early or all night watering of large
landscapes.

Q: High relative humidity is not always followed by precipitation.
Won't the landscape become stressed?

A: The dial settings given are conservatively high. You may simply
increase the dial settings up to 90% for temporary unusual weather
if needed.

Q: What about watering during the evening vs. the early morning?

A: The Weathermiser is most efficient at dusk because the relative
humidity correlates best with the evaporation rate at this time.
Reduce your evening watering time to avoid fungus and save water
as well.

Q: What is the Weathermiser made of?

A: A durable 4"x4"x2" vented polycarbonate enclosure, or a
7"x8"x3.5" vented steel enclosure with lock and key, and two
very reliable moisture and optional temperature and wind sensors.

Q: Why is the grass greener when using the  Weathermiser?

A: 
Over-watered grass is used to having plenty of water just below
the surface, so it doesn't develop a deep root system, which can
more readily thrive on less water.  It is a matter of training the grass
to get used to less water and, in the process, creating a more
resilient turf.  In addition to that, the grass is not overly moist, so
that mold and fungus cannot thrive and sicken the grass.






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