MEWOI824,824C Digital noise meter was designed according to following standards:
A. International electrician committee standard: IEC PUB 651 TYPE2 B. US national standard: ANSI S1.4 TYPE2 |
General Specification
| Basic Functions | MEWOI824 | MEWOI824C |
| Measuring range: | 30~130 dBA；35~130 dBC | 30~130 dBA |
| Accuracy: | ±1.5 dB | ±1.5 dB |
| Digit & Resolution: | 5digits & 0.1 dB | 4digits & 0.1 dB |
| Frequency response: | 31.5Hz ~8.5KHz | 31.5Hz ~8.5KHz |
| Measuring level: | 30~130, 40~90, 50~100, 60~110, 80~130 | |
| Frequency weighting characteristic: | A & C | |
| Time weighting: | FAST/SLOW | |
| Sampling rate: | 2times/second | 2times/second |
| Microphone: | 1/2 inch polarization capacitance microphone | 1/2 inch polarization capacitance microphone |
| AC/DC output | AC/DC output Support | |
| Max reading | Support | support |
| Barcode indicate the value | Support | |
| Overload indication: | OVER / UNDER | |
| Low battery indication | Support | |
| Power: 1.5V AA* 4pcs or DC 6V 100mA adapter | Power: 1.5V AA* 4pcs or DC 6V 100mA adapter | Power: 1.5V AA* 4pcs or DC 6V 100mA adapter |
| Dimension: 256*70*35mm | Dimension: 256*70*35mm | Dimension: 256*70*35mm |
| Weight: 308g (including batteries) | Weight: 308g (including batteries) | Weight: 308g (including batteries) |