NRG Systems is the first company to obtain endorsement in the classification of an anemometer from Troels Pedersen of the DTU Wind Energy Department. Patent-pending, dual shaft design protects bearings from debris and impact loads common in harsh climates Excellent friction performance across the IEC-specified temperature range, ensuring minimal changes to the calibrated transfer function Class 1 performance at an affordable price Data Loggers Turbine Control Sensors Condition Monitoring Systems Renewable NRG Systems | Hinesburg, Vermont 05461 | USA 802.482.2255 | www.renewablenrgsystems.com

Sensor type Sensor range Instrument compatibility ■ all NRG Systems data loggers ■ wind resource assessment Output Signal Signal type ■ low level AC sine wave, frequency linearly proportional to wind speed Anemometer transfer function ■ refer to individual calibration report for anemometer transfer function ■ all NRG Class 1 anemometers are calibrated per Output voltage at threshold ■ output amplitude NOT proportional to wind speed ■ individually calibrated, calibration report provided via electronic download Output signal range EC 61400-12-1 operational standard uncertainty ■ refer to individual...