Davis Instruments 7852, Руководство по установке

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Extending Cable Runs
13
Specifications
General
Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . . Tipping bucket with magnetic reed switch
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Contact closure
Attached Cable Length . . . . . . . . . . . . . . . . . . 40’ (12 m)
Cable Type . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-conductor, 26 AWG
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modular connector (RJ-11)
Recommended Maximum Cable Length . . . . 900’ (270 m)
Housing Material . . . . . . . . . . . . . . . . . . . . . . . UV-stabilized ABS plastic
Dimensions
Rain Collector . . . . . . . . . . . . . . . . . . . . 8.75" diameter x 9.5" high (16.5 cm diameter
x 24 cm high)
Collection Area . . . . . . . . . . . . . . . . . . . 33.2 in
2
(214 cm
2
)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 2 lbs. 3 oz. (1 kg)
Console Data
These specifications apply to sensor output as converted by Davis Instruments weather
station consoles.
Weather Monitor/Wizard Range
Daily Rainfall . . . . . . . . . . . . . . . . . . . . . 0.00” to 99.99” (0.0 mm to 999.8 mm)
Total Rainfall . . . . . . . . . . . . . . . . . . . . . 0.00” to 99.99” (0.0 mm to 9999 mm)
Accuracy
Rainfall . . . . . . . . . . . . . . . . . . . . . . . . . ±4%, ±1 rainfall count between 0.01" and
2.00" per hour (0.2 mm and 50.0 mm per
hour); ±5%, ±1 rainfall count between 2.00"
and 4.00" per hour (50.0 mm and 100.0 mm
per hour)
Resolution . . . . . . . . . . . . . . . . . . . . . . . 0.01” (0.2 mm)
Sample and Display Update Interval. . . 16 seconds (max)
WeatherLink
®
Data
These specifications apply to sensor output as logged and displayed by the WeatherLink.
Daily Rainfall . . . . . . . . . . . . . . . . . . . . . . . . . . Total during archive interval
Total Rainfall . . . . . . . . . . . . . . . . . . . . . . . . . . Total during archive interval
Rate of Rainfall . . . . . . . . . . . . . . . . . . . . . . . . Maximum value during archive interval (For
Vantage Pro and Pro2 models only)
Input/Output Connections
Black & Red . . . . . . . . . . . . . . . . . . . . . . . . . . Switch terminal
Green & Yellow . . . . . . . . . . . . . . . . . . . . . . . . Switch terminal