4000 Pocket Weather Meter w/Bluetooth - GreyPart #: 0840BGRYThe Kestrel 4000 Pocket Weather Meter is the baseline wind and weather meter in the Kestrel 4000 series. What sets the 4000 series apart from the rest of the Kestrel family is that these high tech weather meters have the capability to store up to 2000 points of weather data, enabling you to track changes in the environment over time. This unique function opens up an entirely new realm of weather tracking capabilities for Kestrel Meter users.The Kestrel 4000 Pocket Weather Meter is the first in the next generation of Kestrel Meters. It has all the wind and weather monitoring functions available with the Kestrel 3500 Wind Meter, plus the distinct advantage of data storage, graphing functions, and computer interface technology. With these additional options you will be able to record changes in the weather over time, view these changes as graphs on your Kestrel 4000"s display, and even upload the data to your PC or Mac with the Kestrel Interface. The Kestrel 4000 series is now available with Bluetooth Technology, which allows you to communicate with your Kestrel at a range of up to 30-feet, and maximize the battery life of your weather meter.Each Bluetooth Meter includes custom communication software designed to quickly and easily configure your data transmission frequency, download logged data, graph data and transfer data to other applications. It is no longer necessary to purchase an interface separately, the new Kestrel Meters with Bluetooth include the software necessary to communicate wirelessly.The advantage the Kestrel 4000 provides to scientists, athletes, firefighters, automotive technicians, and agricultural specialists is immeasurable. With Kestrel 4000 technology, you will not only know the current weather conditions, but be able to track changes in the environment and therefore make predictions a