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Kestrel 2500NV Pocket Weather Meter - Olive Drab
By Kestrel

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SKU: 0825NV

Price: $154.00



In Stock - Ships within 24 hours

Features

Military personnel and pilots flying in darkness are often concerned with preserving their night vision. Due to overwhelming demand from our military customers, the Kestrel NV line was added in 2005.

The Kestrel 2500NV has a night-vision preserving backlight which helps users to sustain natural night vision. The NV's backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. This backlight appears soft greyish pink, not red, and is still in the visible spectrum, so is not compatible with night-vision equipment.

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.

Measures
  • Current Wind Speed
  • Maximum Wind Gust
  • Average Wind Speed
  • Air, Water & Snow Temperature
  • Wind Chill
  • Barometric Pressure
  • Altitude

Weight: 0.40 lb

* within the 48 continental US States


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