Thiết bị đo độ ồn SL-4023SD
SD Card real time data recorder
SOUND LEVEL METER
Model : SL-4023SD
* Real time data recorder, save the data into the SD memory card and can be download to the
Excel, extra software is no need.
* Meet IEC61672 class 2
* Auto range : 30 to 130 dB.
* Manual range : 3 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.
* Patent: Taiwan, China, Japan, Germany, USA pending.