Product specifications

1-5
Vantage Pro2
™
accumulation ends a storm event
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . Totals for Past 15-min
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Totals for Past 15-min, Past 24-hour, Daily, Monthly, Yearly (start date
user-selectable) and Storm (with begin date); Umbrella is displayed
when 15 minute total exceeds zero
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . Totals for 15-min, Daily, Monthly, Yearly (start date user-selectable)
and Storm (with begin and end dates)
Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High Threshold called "Flash Flood" (15-min. Total, default is 0.50",
12.7 mm), 24-hour Total, Storm Total
Range for Rain Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 99.99" (0 to 999.7 mm)
Rain Rate
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.01" or 0.2 mm (with optional metric adapter (included)) at typical rates
(see Fig. 2 and 3)
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0, 0.04"/hr (1 mm/hr) to 100"/hr (0 to 1999.9 mm/hr)
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5% or ±0.04"/hr (1 mm/hr) (up to 10"/hr. [250 mm/hr.]), whichever is
greater
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 seconds
Calculation Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Measures time between successive tips of rain collector. Elapsed time
greater than 15 minutes or only one tip of the rain collector constitutes
a rain rate of zero.
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instant
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instant and 1-min. Reading; Hourly, Daily, Monthly, Yearly High
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-min Reading; Hourly, Daily, Monthly, Yearly Highs
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High Threshold from Instant Reading
Solar Radiation (requires Solar Radiation Sensor)
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 W/m
2
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 1800 W/m
2
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5% of full scale (Reference: Eppley PSP at 1000 W/m
2
)
Drift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up to ±2% per year
Cosine Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3% for angle of incidence from 0° to 75°
Temperature Coefficient . . . . . . . . . . . . . . . . . . . . . . . . . -0.067% per °F (-0.12% per °C); reference temperature = 77°F (25°C)
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 seconds (5 minutes when dark)
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instant
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instant Reading and Hourly Average; Daily, Monthly High
Historical Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . . . Hourly Average, Daily, Monthly Highs
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High Threshold from Instant Reading
Sunrise and Sunset
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 minute
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1 minute
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . United States Naval Observatory
Temperature
Inside Temperature (sensor located in console)
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . Current Data: 0.1°F or 1°F or 0.1°C or 1°C.°(nominal). Celsius is
converted from Fahrenheit and rounded to the nearest 0.1° or 1°C.
Historical Graph Data and Alarms: 1°F or 1°C. Celsius is converted
from Fahrenheit and rounded to the nearest 1°C.
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +32° to +140°F (0° to +60°C)
Sensor Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1°F (±0.5°C) typical
Update Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 minute
Current Display Data . . . . . . . . . . . . . . . . . . . . . . . . Instant (user-adjustable offset available)
Current Graph Data . . . . . . . . . . . . . . . . . . . . . . . . . Instant; Daily and Monthly High and Low
Historical Graph Data. . . . . . . . . . . . . . . . . . . . . . . . Hourly Readings; Daily and Monthly Highs and Lows
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . High and Low Thresholds from Instant Reading