Model : DS-2013SD 

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* Standards IEC61252, ANSI S1.25 for noise dose and sound exposure meters, IEC 61672 Class 2 / ANSI S1.4 Type S for sound level meters.

* A or C frequency weighting.

* Ranges : 30 to 130 dB auto range.

* Display : LCD, 0.01-9999%.

* Criterion Level : 80, 84, 85 or 90dB.

* Exchange rate : 3, 4, 5 or 6 dB.

* Threshold level : 70 to 90 ( 1 dB steps ).

* Response rate : Fast or Slow.

* Measurement duration :

     0/1/5/10/15/30 minutes 1/2/4/8/10/12/24 hours.

* Microphone :1/2 inch electret condenser.

* RS232/USB computer Interface.

* Real time data logger, saving data can export to SD card with Excel file, then user can download it to the Excel, extra software is no need.

* SD memory card capacity : 1 GB to 16 GB.

* Size: 132 x 80 x 32 mm.

* Microphone with the clip and the carrying case are included.