For upgraded protection against the electrical disturbances caused by ground offsets or static charges, install the Link Isolator Kit between the WeatherLink data logger and your computer. Uses optical coupling of signals to prevent lockups of the weather station console and possible damage to the console, data logger, and PC....

Post your weather data directly to the Internet without a PCWeatherLinkIP does all the work for you. Simply plug the data logger into the back of your console or Weather Envoy and connect the cable to your cable/DSL router. Within minutes, you'll be able to see your weather data live on the Internet....

Reads wind speed in miles/hour, meters/second, and Beaufort. Readout dial is supported on sapphire jewel bearings and steadied by a rare earth magnetic dampening system. Folding handle quickly and securely latches into place. No batteries needed. Dimensions: 3-5/8" 2-7/8" 1" (92 73 25 mm) with handle folded....

Ultrasonic wind meter uses patented technology to read current wind speed, highest positive speed (headwind), lowest negative speed (tailwind), 5-second average, and running average. - Select from mph, km/h, fpm, m/s, f/s, or knots, plus temperature and wind chill in tenths of F or C. Sensitive to breezes as low as 0.4 mph, yet withstands winds as high as 150 mph....

With 24-Hour Fan-Aspirated Radiation Shield, UV and solar radiation sensors. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

With Standard Radiation Shield, UV and solar radiation sensors. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

With 24-Hour Fan-Aspirated Radiation Shield. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Includes the patented solar-powered 24-hour fan-aspirated radiation shield for maximum accuracy of temperature and humidity readings, along with all the features of Vantage Pro2 Plus. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Includes all the features of Vantage Pro, plus everything you need for reading: - UV index and dose. - Solar radiation. - Evapotranspiration. - UV and solar radiation sensors are pre-installed on sensor mounting shelf. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Includes the patented solar-powered 24-hour fan-aspirated radiation shield for maximum accuracy of temperature and humidity readings, along with all the features of Vantage Pro2. - Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Wireless Vantage Pro2 and its wireless extras are not compatible with original Vantage Pro stations because they use different radios....

Use with Long-Range Repeater to extend range up to 5,000' in all directions. Each repeater requires two antennas. You can combine one Omni and one Yagi antenna to collect data from all directions and transmit in a single direction, or vice versa. - Includes mounting hardware....