| Measuring range: | 30-130dB or 35-130dBc |
| Accuracy | +1.5dB |
| Frequency range | 31.5Hz-8.5KHz |
| Level range | 50dB |
| Frequency weighting | A/C |
| Digital display | 4 digits |
| Resolution | 0.1dB |
| Sample rate | 2times/second |
| Over indication | OVER/UNDER |
| Ac output | 0.707Vrms at FS output impedance approx600ohm |
| Dc output | 10mV/dB, output impedance approx100ohm |
| Time weight | FAST/SLOW |
| Microphone | 1/2inch electrets condenser microphone |
| Function | USB interface |
| Power Supply | 1.5VAA alkaline or USD5V100mA |
| Power life | Abort 30 hours (alkaline battery) |
| Self calibration | 4S |
| Operating condition | 32 to 104F ,10~80%RH |
| Storage condition | 4 to 122F~80%RH |
| Weight | 308g |
| Dimension | 9.96*2.75*1.37 Inch |
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