Your question: How does Rain Bird sensor work?

They have a series of porous cork discs that when they get wet from rain, they expand and force the sensor to prevent the controller from watering. After the cork discs dry out, the sensor will let the controller know that it is dry and the controller can resume with its programmed watering schedule.

How do I know if my Rainbird rain sensor is working?

For a cork-disc sensor:

  1. Locate the rain sensor for your irrigation system. …
  2. Turn on the time clock for the zone nearest the sensor.
  3. Press and hold down the button on top of the sensor. …
  4. Release the button and the zone should come back on. …
  5. If the system does not shut off or come back on, check for wiring problems.

How do you test a Rainbird sensor?

Testing the System

Once installed, the completed system can be tested by turning on any controller irrigation zone, verifying that zone does come on, and then pressing down on the Rain Sensor pin located on the top of the dial cap. The irrigation system should stop watering within a few seconds.

What should I set my rain sensor to?

IFAS researchers recommend rain sensor thresholds of 1/4” for 2 or 3 day per week irrigation with no more than 1/2” for 1 day per week irrigation. Remember, the lower the setting, the more water saved.

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Where should sprinkler rain sensors be installed?

The most important aspect of installing a rain sensor is where to place it. It should be installed in an area that is unobstructed by trees, roof over hangs, or anything else that might block rain from getting to the sensor. If it is a wired sensor, placement is generally near the sprinkler controller.

How long do sprinkler rain sensors last?

Many off-the-shelf rain sensors last five-years or less, so you could be unknowingly without the required rain shut-off device you once relied upon. Conserving water is more important than ever.

Do sprinkler rain sensors work?

This rain sensor stops the sprinkler from turning on when the rainfall cup fills to a certain level. … Leaves, debris, and even bugs can fill up the collection cup, causing the sprinklers to shut off. Expansion disk. Expansion disk rain sensors operate via a gauge attached to the sprinkler system.