Specifications :
1. Sound level meter 30 to 130 dB, auto range
2. Humidity 10 to 95 %RH, temperature (oC/oF)
3. Anemometer 0.4 to 30 m/s, temperature (oC/oF)
4. Light 0 to 20,000 lux, 0 to 1,660 Ft-cd, auto range
5. Type K thermometer -100 to 1300 oC, oC/oF
6. Sound level meter meet IEC 61672 type 2
7. Data hold, record (max, min), RS232/USB