Irradiance Meter Irradiance Measurement - Minimum 100 W/sq m Irradiance Measurement - Maximum 1 200 W/sq m Compass Bearing Range 0 Degrees to 360 Degrees Inclination Measurement - Minimum 0 Degrees Inclination Measurement - Maximum 90 Degrees Display LCD Datalogging Yes Temperature Measurement - Maximum 50 Degrees C Temperature Measurement - Minimum 0 Degrees C Auto Power Off Yes Manufacturer Warranty 2 yr Includes Batteries Yes