รายละเอียดสินค้า : 

• portable integrating class 1 sound level meter, with data logging function, suitable for performing statistical and spectral analyses 
• possibility of adjusting the instrument and adding options at any time 
• user can upgrade the firmware directly by means of the Noise Studio programme supplied with the instrument 
• Class 1 or 2 sound level meter according to IEC 61672-1 IEC 60651 and IEC 60804 
• Class 1 octave and third octave filters according to IEC 61260 
• Assessment of the environmental noise level, 
• Noise monitoring and optional capture and analysis of sound events, 
• Octave and optional third octave band spectrum analysis from 25 Hz to 12.5 kHz,