The NRG Systems Class 1 anemometer is ball-bearing version of the industry-leading NRG #40C anemometer. This wind sensor comes with an individual MEASNET calibration certificate
Sensor type: 3-cup anemometer Sensor range: 1 m/s to 96 m/s (2.2 mph to 215 mph) (highest tested) Instrument compatibility: Logic Energy GSM systems only