ENVIRONMENT METER ( LUTRON SP-9201)
FEATURES * 11 in 1 professional environment instruments: Light * auto range 1. Air velocty/ Temp., 2. Humidity/ Temp., 3. Light 4. Barometer, 5. CFM, CMM, 6. Dew point, Unit Range Resolution Accuracy 7. Wet bulb, 8. Wind chill, 9. Heat index, Lux 0 to 2, 200 Lux 1 Lux 5% rdg 8 dgt 10. Altitude, 11.