DAVIS EZ-Mount GroWeather User Manual download pdf (Page 10)

ur GroWeather stations provide a wealth of special-purpose information related to

agricultural needs. Using the information from GroWeather, you can:

• Conserve water resources by irrigating at optimal times.

• Optimize the timing of planting, fertilizing, pesticide application, and harvesting.

• Keep an eye on the level of heat stress on workers and livestock.

• Monitor the potential fire hazard due to temperature and wind

conditions along with the moisture loss of nearby vegetation.

For a customized station designed to suit your needs, add

our GroWeatherLink computer interface package or any

of the sensor and mounting options described on the

pages to follow.

GroWeather®

Includes console, AC-power adapter, and

sensor interface module. Optional sensors

let you build your own customized system. To

monitor conditions at a field site, add a radio or cell

phone modem and a GroWeatherLink/ET Data Logger. To mod-

ify irrigation scheduling according to real-time ET data, add our Alarm

Output Module.

7450 GroWeather $395

10 Davis Instruments

GroWeather & Perception II

For these special GroWeather functions:

Evapotranspiration

Growing degree-days with user-settable thresholds

Soil temperature in addition to air temperature *

Surface moisture on foliage *

Apparent temperature (temperature-humidity index)

Add these optional sensors:

ET Data Logger, Anemometer, Solar Radiation Sensor, and

Temperature/Humidity Sensor

Temperature or Temperature/Humidity Sensor

A second Temperature Sensor or Probe

Leaf Wetness Sensor

Temperature/Humidity Sensor

* Soil temperature and leaf wetness use the same port.To measure both, switch from one sensor to the other as needed. Measure soil tem-

perature to determine the proper time for planting, then switch to the Leaf Wetness Sensor for the rest of the year.

EZ-Mount GroWeather®

Includes everything found on our basic GroWeather,

plus ET data logger and all optional sensors. Sensors

are pre-assembled on a galvanized steel mounting

pole. Radiation shield protects temperature/humidity

sensor from solar radiation and other sources of radi-

ated and reflected heat. Weather-resistant shelter pro-

tects the sensor interface module from the elements.

Locate the console inside the shelter, or run the includ-

ed 100' (30 m) cable to locate the console indoors. See

page 16 for optional Solar Power Kit.

7450EZ EZ-Mount GroWeather $1395

Includes 0.01" Rain Collector.Add the suffix M for 0.2 mm Rain Collector.

Perception II®

An indoor weather station requiring no installa-

tion—just plug it in using the included AC-power

adapter. Use to monitor your wine cellar, green-

house, or other climate-dependent area. Measures

temperature, humidity, and barometric pressure. So

accurate, it’s even used by automobile racers to tune

their carburetors for current air density conditions.

Backlit display for easy viewing.

7400 Perception II $150

Alarm Output Module

To send signals to automatically start or stop external devices

such as irrigation systems, heaters, or fans, add our Alarm

Output Module. The Alarm Output Module can directly

control devices such as irrigation controllers and ther-

mostats. To switch power to heaters, motors, or other high-

power equipment, you will need to add electrical relays (not

available from Davis Instruments). For complete details, ask

for a copy of our supplement on the Alarm Output Module.

7736 Alarm Output Module $195

By adding the Alarm Output Module to

GroWeather you can:

• Select up to four alarm conditions for output.

• Select high and low alarms for the same weather parameter.

• Select alarms from two different weather parameters.

By adding GroWeatherLink you can also:

• Turn remote devices on or off from your keyboard.

• Write your own software program to turn devices on or off.

• Switch power to a radio on and off to conserve energy.

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DAVIS EZ-Mount GroWeather User Manual Page 10

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