SL – 4023 SD
 
 Sound Level / Noise / DB Meter
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- Main functions are designed to meet IEC 61672 class 2.
- A & C weighting networks comply with standards.
- 0.5″ standard microphone head.
- Time weighting (Fast & Slow) dynamic characteristic modes.
- Build External calibration VR.
- Auto range & Manual range selection.
- Available for external calibration adjustment.
- Condenser microphone for high accuracy & long-term stability.
- Memory function to store the Max. & Min. value.
- Hold and Peak Hold functions.
 
 
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| General Characteristics | |
| Display | 52 mm × 38 mm LCD | 
| Measurement Range | 30 - 130 dB | 
| Resolution | 0.1 dB | 
| Auto Range Selector | 30 to 130 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 | 

