An innovative and easy to operate sound level meter from a world leader, Lutron. No need to setup extra software! After taking the desired reading with the datalogger, just take away the SD card from the meter and plug it into the computer. It can download all the measured values with the time information (year/month/date/hour/minute/second) to input to a spread sheet program directly, then user can make the further data or graphic analysis by themselves.

Technical Specifications:

• USB interface 

• Micro SD card Up to 4G: 37,000 data about story space 300KB

• Bar graph display

• Display31/2  digit backlit LCD display, maximum reading of 1999

• Display refresh rate Sampling : 2.5 times/second

• Applicable specifications IEC 61672-1 : 2002 Class 2

• Microphone1/2 inch Electrets condenser microphone

• Measurement items SPL, Leq, SEL

• Measurement range30dB ~ 130dB (A), 35dB ~ 130dB (C), 40dB ~ 130dB (Z)

• Dynamic Range100 dB

• Integrate Time Setup Randomly , 10s,1 m, 5m, 10m, 30m, 1h, 8h, 16h, 24h

• Max. peak C sound level measurement 70~133 dB

• Time weighting Fast, Slow, Impulse, Peak

• Frequency weighting A/C/Z

• Frequency Range31.5HZ ~ 8KHZ

• DC output2Vdc/130dB

• AC output2Vrms/130dB

• Battery Life30 hours

• Battery Four 1.5V LR-6/AA size alkaline cell

• Dimensions285(L) x 90(W) x 39(H) mm

• Weight500g (including Batteries); 2.5Kg (including package)