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CoAgMet (Colorado) FAWN (Florida) <br />Reading Unit Sensor Quoted Accuracy Sensor Quoted Accuracy <br />Temperature °C Vaisala <br />HMP45C ±[0.2+(T-20)*0.005] <br />Campbell <br />Scientific <br />CS215 <br />±0.4°C from +5° to +40°C <br />±0.5°C when < -40° and > +70°C <br />Humidity % Vaisala <br />HMP45C <br />±2% RH (0 to 90% RH) <br />±3% RH (90 to 100% RH) Campbell <br />Scientific <br />CS215 <br />±2% RH (0 to 90% RH) <br />±4% RH (90 to 100% RH) <br />Temperature dependence: <br />±0.05% RH/ °C <br />Temperature dependence: <br />< ±2% over -20° to +60°C <br />Wind Speed m s-1 <br />R.M.Young <br />Wind <br />Sentry <br />±0.5 m s-1 Vaisala <br />425A <br />±0.135 m s-1 (0 to 4.47 m s-1) <br />±3% (4.47 to 49.2 m s-1) <br />±5% (above 49.2 m s-1) <br />Solar <br />Radiation MW m-2 LI-Cor <br />LI200X <br />±5% maximum <br />±3% typical LI-Cor <br />LI200X <br />±5% maximum <br />±3% typical <br />Colorado error greater than Florida for wind < 16.7 m/s