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Despite its small size, the indoor rain
monitor has a large LCD panel that displays rainfall amounts in bold
digits a full 3/4 inch tall. Other displayed information includes your
selection of inches or millimeters, a rain mode icon that indicates
current precipitation status, a radio-reception icon for the outdoor
rain gauge collector/transmitter, and low-battery icons for both the
indoor and outdoor units.
For night viewing, the LCD panel on the
indoor rain monitor has a pushbutton backlight with 5-second auto-off.
The 4-digit rainfall display on the LCD panel indicates amounts up to
99.90 inches or 999.9 millimeters, depending on the measuring unit you
select. One of three rain mode icons below the rainfall amount indicates
No Rain, Light Rain, or Heavy Rain. If desired, you can activate an
audible rain alarm that beeps for 10 seconds when the rain mode changes.
When the ALARM switch on the indoor unit is set to ON, the alarm sounds
when the rain mode changes as follows:
- change to No Rain: Average rainfall
for the past few minutes is less than 0.02 inch (0.05 mm).
- change to Light Rain: Average rainfall
for the past few minutes is between 0.02 inch (0.05 mm) and 0.18
inch (4.6 mm).
- change to Heavy Rain: Average rainfall
for the past few minutes equals or exceeds 0.2 inch (5.1 mm).
The outdoor rainfall
collector/transmitter is self-emptying and measures 0.02 inch (0.508 mm)
of rain with each swing of its internal counting lever. The rain mode
icon displayed on the indoor unit is based on the data received from the
outdoor unit:
- No Rain: If the last rain mode was No
Rain, and a No Rain condition existed for the past 5 minutes.
- Light Rain: If the last rain mode was
Light Rain, and a Light Rain condition existed for the past 3
minutes.
- change to Heavy Rain: If the last rain
mode was Heavy Rain, and a Heavy Rain condition existed for the past
1 minute.
The outdoor unit is 3-3/4 inches high by
6-7/8 inches wide by 2-1/4 inches deep.
To use the 00896 Wireless
Digital Rain Gauge, you need to select a location for the outdoor unit
that is flat, above ground level, and away from any sources of magnetic
or electrical interference. You also need to insert batteries in the
indoor rain monitor first, and then the outdoor collector/transmitter.
Waves appear at the top of a radio tower icon on the indoor monitor to
indicate successful synchronization between the outdoor and indoor
units. Maximum transmission range of the outdoor unit is 100 feet (30
meters) in open space with no interference.
The RESET button on the indoor monitor
lets you choose the time period between measurements or keep a running
total up to the instrument's maximum of 99.90 inches or 99.99
millimeters.
The indoor monitor requires two AAA
(1.5V) alkaline batteries, and the outdoor collector/transmitter
requires two AA (1.5V) alkaline batteries. The batteries are not
included and must be obtained separately. As mentioned above, the indoor
monitor displays low-battery icons both for itself and for the outdoor
unit when replacement becomes necessary.
Just a reminder: Be sure to take the
outdoor unit indoors when temperatures fall below freezing.
Exceptionally easy to set up and use,
this digital wireless rain gauge is an economical alternative to more
expensive wireless rain gauges if you don't need long-distance
transmission capability or a bar graph rainfall history display
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