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LUTRON SL 4035 SD Sound Level Meter
| Display | LCD size : 52 mm x 32 mm LCD with green backlight ( ON/OFF ). |
| Circuit | Custom one-chip of microprocessor LSI circuit |
| Function | dB ( A & C frequency weighting ), Time weighting ( Fast, Slow ), Peak hold, Data hold Record ( Max., Min. ). |
| Measurement Range | 30 - 130 dB |
| Resolution | 0.1 dB |
| Operating Humidity | Less than 85% R.H. |
| Calibrator: | B & K (Bruel & kjaer), multi-fuction ACOUSTIC CALIBRATOR Type 4226. |
| Power Supply | * Alkaline or heavy duty DC 1.5 V battery ( UM3, AA ) x 6 PCs, or equivalent. * DC 9V adapter input. ( AC/DC power adapter is optional ). |
- 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.