Application:

* sound level meter is used to calibrate the sound level meters.
* This instrument is compatible with several standards of GB/T 3785,IEC 651 Type 2,ANSIS 1.4 Type 2.

* It is widely used to test the sound level of environment, mechanic, vehicle,ship and other noise.

* Fit for industry environment protecting,working,sanitation, teaching search and other departments.

 

Specifications:
* Display: 10mm (0.4") LCD (Liquid Crystal  Display)
* Function:  LP , Leq  ,LN.
* Frequency range: 31.5Hz~8kHz
* Measurement range:
              LP:30~130dB (A)
                   35~130dB (C)
                   35~130 dB (F)
             Leq :30-130dB
             LN .: 0-100%
* Resolution: 0.1 dB
* Accarcy:1dB
* Memory:  Maximum value (30groups)
* Indicator: Low battery indicator
* Alarm: electron
* Connector:RS232C
* Power supply:  4x1.5v AAA (UM-4 battery
* Size: 236 x 63 x26 mm
* Weight: 170g  (including batteries)
* Standed delivery:
   1.Main Unit---------------1pc
   2.Carrying Case................1pc.
   3.Operation Manual..........1pc.
* Optional Accessories:
   1.ND9 sound level meter calibrator
   2.RS-232 and software
   3.External relay