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Weather Wizard III® Station
7425
7425CS
The Weather Wizard III station features the
following: anemometer, inside and outside
temperature sensors, junction box, and console. The
console provides A/D conversion, calculations, and data display. A
DC-power adapter and an 8' (2.4m) cable (for connecting the junction box and console) are included. Options include
the Rain Collector, and WeatherLink (# 7862) which provides data logging and a serial interface to a computer.
General
Perception and Wizard Stations
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -5° to 140° F (-20° to 60° C)
Display Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32° to 140° F (0° to 60° C)
Supply Power (adapter included). . . . . . . . . . . . . . . . . . . 16 mA (typical) at 10 to 16 V (100 mA when display is illuminated)
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modular (RJ-11, RJ-12 , and R J-45)
Recommended Maximum Cable Length . . . . . . . . . . . . . 240' (72 m), sensor array to console
Housing Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Black ABS plastic
Display Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCD
Dimensions
Console. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.25" x 5.4" x 3.0" (133 mm x 137 mm x 76 mm)
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4" x 1.9 " (112 mm x 48 mm)
Weight, total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 lbs. 6 oz. (1 .53 kg)
Sensor Inputs
RF Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RC low-pass filt er on each sign al line
Data Displayed on Console
General
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 seconds
Times and Dates of Maximum and Minimum V alues . . . . Stored with value
Rainfall (requires Rain Collector)
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.01" or 0.2 mm (user-selectable)
Daily Rainfall Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 40.95" (0 to 819 mm)
Total Rainfall Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 99.9 9" (0 to 9 999 mm)
Rainfall Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±(4% + 1 co unt) fo r rate s from 0.01" to 2" (.2 mm to 50 mm) per hour
±(5% + 1 count) for rates fro m 2" to 4" (50 mm to 100 mm) per hour
Functions (Period is selected by user). . . . . . . . . . . . . . . Total Rainfall for period, Daily Rainfall Amou nt (alarm)
Temperature
Outside Temperature (Air)
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . 1 or 0.1°F or 1 or 0.1°C° Celsius is converted from Fahrenheit
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50° to 140° F (-45° to 60° C)
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1°F (±0 .5°C)
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Temp erature (high and low alarms), Maximu m and Minimum
Inside Temperature (Air) (sensor located inside console)
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . 1°F or 1°C.°(no minal). Celsiu s is converted from Fah renheit and
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32° to 140° F (0° to 60° C )
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1°F (±0 .5°C)
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Temp erature (high and low alarms), Maximu m and Minimum
Temperatures
rounded to the nearest 1°C.
Temperatures
DS7425, 7425CS (Rev. E, 1/5/07)
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T
Perception and Wizard Stations
Wind
Wind Chill
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . 1°F or 1°C.°(nomin al). Celsius is co nverted fr om Fahrenh eit and
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -134° to 98° F (-92° to 37° C)
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±4°F (± 2°C)
Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Wind Chill (alarm), Minimum Wind Chill
Wind Direction
Display Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . 16 points (22 .5°) on comp ass rose, 1° in digital displa y
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7°
Wind Speed
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . 1 mph, 1 km/h r, 0.1 m/s, or 1 kn ot (user-selecta ble)
Range (large wind cups) . . . . . . . . . . . . . . . . . . . . . 2 to 15 0 mph, 2 to 130 knots, 1 to 67 m/s, 3 to 24 1 km/h
Range (small wind cups) . . . . . . . . . . . . . . . . . . . . . 3 to 175 mph, 3 to 150 knots, 1 .5 to 79 m /s, 5 to 282 km/h
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25 second s
Accuracy (large wind cups) . . . . . . . . . . . . . . . . . . . ±2 mph (2 kts, 3 km/h, 1 m/s) or ±5%, whichever is greater
Accuracy (small wind cups) . . . . . . . . . . . . . . . . . . . ±3 mph (3 kts, 5 km /h, 1.5 m/s) o r ±5%, whichever is gre ater
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Sp eed (alarm ), Maximum S peed
Time
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±15 secon ds/month
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current Time, Current Date
rounded to the nearest 1°C.
Package Dimensions
Product #
7425
7425EU 011698 74251 6
7425UK 011698 74252 3
7425CS
7425CSEU 011698 00094 4
7425CSUK 011698 00094 4
Package Dimensions
(Length x Width x Height)
18.00" x 10.25" x 3.25"
(458 mm x 261 mm x 79 mm)
17.50" x 11.75" x 9.25"
(458 mm x 299 mm x 235 mm)
Station Connection Diagram
Weather Wizard III Connection Diagram
Junction
Box
Rain Collector
emp Sensor
Anemometer
Package Weight UPC Codes
011698 74250 9
4.3 lbs. (2.0 kg)
011698 00094 4
8.0 lbs. (3.7 kg)
Console
(
510) 732-9229 • FAX (510) 670-0589 • sales@davisnet.com • www.davisnet.com
WeatherLink
Power
Adapter
3465 Diablo Ave., Hayward, CA 94545-2778
To Computer
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