รายละเอียดสินค้า : 

• precision integrating portable sound level meter 
• data logging functions 
• performing both spectrum and statistical analysis 
• maximum flexibility and simplicity 
• firmware can be directly updated by the user by means of the Noise Studio program supplied with the instrument 
• Class 1 sound level meter according to IEC 61672-1, 2002 
• Class 1 octave and third octave filters according to IEC 61260 
• Microphone complying with IEC 61094-4 
• Noise monitoring and optional capture and analysis of sound events 
• Octave and optional third octave band spectrum analysis from 16 Hz to 20 kHz