| Digital Sound Level | GM1356 |
| Measuring Range | 30-130 dBA, 35-130 dBC |
| Accuracy | ± 1.5 dB |
| Digit & Resolution | 5 digit & 0.1 dB |
| Frequency Response | 31.5 Hz – 8.5 KHz |
| Measuring Level | 30-130, 40-90, 50-100, 60-110, 80-130 |
| Frequency Weighting Characteristic | A & C |
| Time Weighting | FAST/SLOW |
| Sampling Rate | 2 Times/Second |
| Microphone | ½ inch polarization capacitance microphone |
| USB Interface | √ |
| AC/DC Output | (AC/DC) √ |
| Max Reading | √ |
| Overload Indication | OVER/UNDER |
| Low Battery Indication | √ |
| Unit Size | 70*35*256 mm |
| Power | 4pcs 1.5V AA or DC 6V 100mA adapter |
| Scope Delivery | Unit, Hardcase, Manual Book, CD Software, USB Cable and Windshield Ball |
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