The Kestrel 3500 Pocket Weather Meter is a small, pocket-sized electronic rotating vane type of anemometer (wind meter) with built-in temperature, humidity and barometric pressure sensors. It uses high precision jewel bearings and a light weight impeller to provide accurate air flow measurements even at low speeds. The impeller assembly is replaceable by the user in the case of damage.
A trend arrow displays whether the pressure is rising, stable or falling, this trend is calculated over a 3-hour period. The pressure is monitored even when the Kestrel 3500 anemometer is switched off.
Wind chill and heat index are equivalent temperatures that show the user how their environment really feels. Wind chill is the combination of wind speed and temperature, while heat index is the combined effect of air temperature and relative humidity. The humidity sensor compensates for temperature changes and is designed for stability and accuracy.
The liquid crystal display has large 9mm high digits and is backlit for a clear readout in low light conditions. For those with after dark requirements, the Kestrel 3500NV (with an olive drab case) is available with a low intensity red backlight to preserve night vision. PLEASE CLICK here for image of Kestrel 3500NV - Night Vision
Power is from an easily replaceable standard lithium coin type cell, which will typically give up to 300 hours of operation. The instrument automatically switches off if no keys are pressed for 45 minutes.
The Kestrel 3500 Pocket Weather Meter is made from high impact injection moulded plastic and corrosion resistant materials with the electronics fully sealed. It will float if accidentally dropped into water. There is a hard cover for protection when not in use and a lanyard is provided for added security.
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