Features :

•  Auto Ranging Measurement  30dB to 130dB  
•  Work with Window Software  

    32,000 Records Data Logger  

•  Bar graph Indication with Back Light     
•  RS-232 Real Time Display Software for

     Window 95/98/2000  Windows 7    

•  Frequency Weighting: A, C
•  4-Digit Display with updated cycle 0.5s
•  Resolution : 0.1dB resolution
•  Max/Min  Hold Function
•  The standard Fast and Slow Time weightings  
•  AC/DC signal output  
•  Overload condition indication  
•  Auxiliary output jack
•  IEC 651 Type II, ANSI S1.4 Type2.
• Calibration Potentiometer easy to adjust
• Back screw hole tripod connection
• External Power DC 9V input
• Calibration Potentiometer easy to adjust