LUTRON SL-4033SD(Class 1)
Innovation and easy operation, computer is not need to setup extra software, after execute datalogger, just take away the SD card from the meter and plug in the SD card into the computer, it can down load the all the measured value with the time information ( year/month/date/hour/minute/second ) to the Excel directly, then user can make the further data or graphic analysis by themselves.
Circuit : Custom one-chip of microprocessor LSI circuit.
Display : LCD size : 52 mm x 38 mm LCD with green backlight ( ON/OFF ).
Measurement Range :30 - 130 dB.
Resolution : 0.1 dB.
Function : dB ( A & C frequency weighting ), Time weighting ( Fast, Slow ), Peak hold, Data hold Record ( Max., Min. ).
Data hold : To freeze the measurement value.
Peak hold : To keep the peak ( max. ) measurement value.
Time weighting (Fast & Slow) :Fast - t= 200 ms, Slow - t = 500 ms