| Standard | JJG 188-2002; IEC 61672-1: 2002 type2 |
| Accuracy | ± 1.5dB (at 1KHz 94dB) |
| Frequency | 31.5Hz to 8KHz |
| Dynamic indicator range | 50Db |
| Measuring range | 30-130dBA; 35-130dBC |
| Frequency weighting | A/C |
| Time weighting | Fast(F)/slow(S) |
| Sensor | 1/2 polarization capacity microphone |
| Display | LCD with 4 digits |
| Bar graph | 1 scale for 1dB, 125ms |
| Manual range | 30-80dB; 50-100dB;60-110dB; 80-130Db |
| Data recording | 10 (Manually recording) |
| Over range indicator | “OVER”, “UNDER” |
| DC output | 0-2.5V, 25mV/dB, output impendance 600Ω |
| Power supply | 1*9V 6F22;adaptor(DC9.0V,100mA) |
| Battery life | 8hours(Alkaline battery, without backlight) |
| Ambient condition | 32 to 104°F; 10-80%RH |
| Storage condition | 4- 122°F; 10-70%RH |
| Size | 8.66*2.87*1.37 (Inch) |
| Weight | 290g |
| Accessories | instruction manual, wind screen, battery, carrying case, DC output cable |
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