SL – 4010
 
 Digital Sound Level Meter
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- Large LCD display, easy to read.
- Characteristic of “A” frequency weighting network are designed to meet IEC 61672 class 2.
- LCD display for low power consumption & clear read-out even in bright ambient light condition.
- ” Fast ” time weighting characteristic mode.
- Build in adj. VR is available for easy calibration.
- Condenser microphone for high accuracy & long-term stability.
- Small and light weight design allow one hand operation.
- Hold function to freeze the display value.
- Low battery indicator.
- Warning indicator for over and under range.
- High quality with economical cost.
 
 
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| General Characteristics | |
| Display | 18 mm (0.7") LCD (Liquid Crystal Display), 3.5 digits | 
| Measurement Range | 35 - 130 dB, 3 ranges | 
| 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) | 
| Calibrator | Multi-Function Acoustic Calibrator 4226 | 

