SL – 4030
Digital Sound Level Meter
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- Large LCD display, easy to read.
- Time weighting and frequency weighting meet IEC 61672 class 2.
- A & C weighting networks are conformity to standards.
- 0.5″ standard out size of the microphone.
- Time weighting (Fast & Slow) dynamic characteristic modes.
- AC / DC output for system expansion.* External calibration VR.
- Condenser microphone for high accuracy & long-term stability.
- MAX. HOLD function for stored the maximum value.
- Warning indicator for over and under load.
- Low battery indicator.
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| General Characteristics | |
| Display | 49 mm × 25.5 mm LCD, 21.7 mm × 8.8 mm Digit |
| Measurement Range | A Weighting- 3 ranges , 30 to 130 dB C Weighting- 3 ranges , 30 to 130 dB |
| Resolution | 0.1 dB |
| Frequency | 31.5 to 8,000 Hz |
| Microphon Type | Electric condenser microphone |
| Microphon Size | Out size, 12.7 mm DIA (0.5 inch) |
| Weighting Network | Characteristics of A & C |
| Calibrator | Multifunction Acoustic Calibrator 4226 |

