Troubleshooting Guide - DAVIS Vantage Pro2 User Manual

Troubleshooting Guide

Sea-Level Reduction Equation . .United States Method employed prior to use
Equation Source . . . . . . . . . . . . .Smithsonian Meteorological Tables
Equation Accuracy . . . . . . . . . . .±0.01" Hg (±0.3 mm Hg, ±0.3 hPa/mb)
Elevation Accuracy Required. . . .±10' (3m) to meet equation accuracy
Overall Accuracy . . . . . . . . . . . . .±0.04" Hg (±1.0 mm Hg, ±1.4 hPa/mb)
Trend (change in 3 hours) . . . . . .Change ±0.6" (2 hPa/mb, 1.5 mm Hg) =
Trend Indication . . . . . . . . . . . . .5 position arrow: Rising (rapidly or slowly),
Update Interval . . . . . . . . . . . . . .1 minute
Current Data . . . . . . . . . . . . . . . .Instant, 15-min., and Hourly Reading; Daily,
Historical Data. . . . . . . . . . . . . . .15-min. and Hourly Reading; Daily, Monthly
Alarms . . . . . . . . . . . . . . . . . . . .High Threshold from Current Trend for Storm
Range for Rising and Falling Trend Alarms0.01 to 0.25" Hg (0.1 to 6.4 mm Hg,
Inside Relative Humidity (sensor located in console)
Range . . . . . . . . . . . . . . . . . . . . .10 to 90% RH
Accuracy . . . . . . . . . . . . . . . . . . .±5%
Update Interval . . . . . . . . . . . . . .1 minute
Current Data . . . . . . . . . . . . . . . .Instant (user adjustable) and Hourly Reading;
Historical Data. . . . . . . . . . . . . . .Hourly Readings; Daily, Monthly Highs and
Alarms . . . . . . . . . . . . . . . . . . . . High and Low Threshold from Instant Reading
Clock
Resolution . . . . . . . . . . . . . . . . . .1 minute
Units . . . . . . . . . . . . . . . . . . . . . .Time: 12 or 24 hour format (user-selectable)
Accuracy . . . . . . . . . . . . . . . . . . .±8 seconds/month
Adjustments . . . . . . . . . . . . . . . .Time: Automatic Daylight Savings Time (for
Troubleshooting Guide
The following section answers some of the most commonly asked questions
about WeatherLink
WeatherLink software Help before contacting Davis. Please see Contacting
Davis Technical Support on page 30 for more information.
26
of current "R Factor" method
specification
Rapidly
Change ±0.2" (.7hPa/mb, 0.5 mm Hg)= Slowly
Steady, or Falling (rapidly or slowly)
Monthly, High and Low
Highs and Lows
Clearing (Rising Trend
Low Threshold from Current Trend for Storm
Warning (Falling Trend)
0.1 to 8.5 hPa/mb)
Daily, Monthly High and Low
Lows
Date: US or International format (user-
selectable)
users in North America, Europe and Australia
that observe it in AUTO mode, MANUAL
setting available for all other areas) Date:
Automatic Leap Year
®
and the Weather Envoy. Please consult this guide and the