HT-858 sound level meter with USBMeasuring range: 30 to 130dBA/35 to 130dBC;  

 Accuracy: ±1.5dB;

 Frequency range: 31.5Hz~8.5KHz;  

  Resolution: 0.1dB; 

Fast/Slow weight selection;  

  Frequency weighting: A/C

Sampling frequency: 2times/sec; 

 Max Hold function;

AC/PWM output function;

 Data store up to 4700;

USB connection, calender function

Pressure 30~130 dB Decibel Noise Measurement Sound Level Meter with USB