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Due to overwhelming demand from our
military customers. These models have the same features as their more
colorful counterparts, but are olive drab with a visible red backlight,
which helps sustain the user's natural night vision. Military personnel
and pilots flying in darkness are often concerned with preserving their
night vision.
It takes 30 to 45 minutes for the average eye to adapt to darkness and
maximize night vision. Even a short burst of white, yellow, green or
blue light “bleaches out” the rod cell photoreceptors in the eye and
causes night blindness until the entire adaptation process can take
place again. Light in the red spectrum does not cause this “bleaching
out”, preventing night blindness and night vision fatigue. The units'
red backlight is also much dimmer than a standard backlight, making it
more difficult to detect with the naked eye in night operations.
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Features:
- Barometric Pressure & Trend
- Altitude & Density Altitude
- Relative Humidity & Dew Point
- Wind Chill & Heat Stress Index
- Wet Bulb Temperature
- Air, Water, & Snow Temperature
- Current & Average Wind Speed
- Maximum Wind Gust
- One-button clear and restart of Max
Wind Gust and Average Wind measurement
- Digital compass
provides direction and stores data with wind speed
- Automatic Crosswind
calculator
- Headwind/Tailwind
speeds
- Waterproof & Floats
- Manual data capture
- Automatic Data Storage
- Customizable Data Storage -
chart up to 2,000 measurements
- Auto data storage interval settable
from 2 seconds to 12 hours
- Minimum, maximum, average and logged
history stored and displayed for every measured value
- Automatically store
measurements, even when the unit is turned off
- Manually store
measurements with the press of a button
- Data Upload with optional PC
interface and provided software
- Optional RS-232 connection with USB
adapter available
- Choice of aviation green or visible
red (4500NV only) electroluminescent backlight with automatic or
manual activation
- Real-time hours:minutes:seconds
clock, calendar, automatic leap-year adjustment
- User-selectable auto shutdown: 15 or
60 minutes with no keypresses or disabled
- Five Languages: English, French,
Spanish, German, and Italian
- User-replaceable Impeller
- Flip-top Impeller Cover
- Soft Carry Case
- Wrist and Neck Lanyards
- Five-year warranty from the
manufacturer
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