SD Card real time data recorder
SOUND LEVEL METER, class 2
Model : SL-4023SD
* Real time data logger, save the data into the SD memory card and can be downloaded to the Excel, extra software is no need.
* Frequency and time weighting meet IEC61672 class 2.
* Auto range : 30 to 130 dB.
* 3 manual ranges : 30 to 80 dB, 50 to 100 dB, 80 to 130 dB.
* A/C frequency weighting.
* Fast/slow time weighting.
* Peak hold, Data hold.
* Record ( Max., Min. ).
* RS232/USB computer interface.
* Optional wind shield ball, SB-01.
* Patented.