Lutron LM-8102

LUTRON 5-IN-1 METER
5 in 1 professional measuring instrument: Anemometer, Hygrometer, Type K Thermometer, Light meter, Sound level meter.
Anemometer use low-friction ball bearing mounted wheel design that provides high accuracy.
Light meter use exclusive photo diode and color correction filter light sensor, spectrum meets C.I.E. photopic.
Type K thermometer use standard type K (NiCr-NiAl) thermocouple input jack suitable for all kinds of type K probes.
Humidity meters use high-precision humidity sensor with fast response time.
Sound level meter's characteristic is simulated as a Human Ear Listing" response, used the " A " frequency weighting and " Fast " time weighting to meet IE 61672 class 2.
Memorize the maximum and minimum values with recall.
Hold function to freeze the current reading value.
Lux/Feet-candle, ℃/℉ selection by pressing a front button.
RS232/USB computer data bus
Sound level meter: 30 to 130 dB, auto range. 
Humidity: 10 to 95 %RH, Temp.. (oC/oF). 
Anemometer: 0.4 to 30 m/s, Temp.. (oC/oF). 
Light: 0 to 20,000 Lux, 0 to 1,660 Ft-cd, auto range. 
Type K Thermometer: -100 to 1300 oC, oC/oF. 
Sound level meter meet IEC 61672 TYPE 2. 
Data hold, Record (Max., Min.), RS232/USB. 
5 function, all in one