The Lutron SL-4033SD is a professional-grade Class 1 sound level meter designed for precise noise measurement in industrial, environmental, and occupational applications. Compliant with IEC 61672 Class 1 standards, it ensures high accuracy and reliability for critical sound analysis.
Equipped with a real-time SD card datalogger, the device records measurements directly with time-stamped data, allowing seamless transfer to Excel without additional software. Its A & C frequency weighting, fast/slow response modes, and wide measurement range make it a versatile tool for comprehensive acoustic evaluation.
| Specification | Details |
|---|---|
| Brand | Lutron |
| Model | SL-4033SD |
| Standard Compliance | IEC 61672 Class 1 |
| Measurement Range | 30 to 130 dB |
| Resolution | 0.1 dB |
| Accuracy | ±1.4 dB (at 1 kHz) |
| Frequency Range | 31.5 Hz to 16 kHz |
| Frequency Weighting | A & C |
| Time Weighting | Fast / Slow |
| Microphone | 1/2" condenser microphone |
| Data Logging | SD card (1–16 GB) |
| Sampling Time | 1 sec to 3600 sec |
| Display | LCD with backlight |
| Interface | RS232 / USB |
| Power Supply | 6 × AA batteries or DC 9V |
| Dimensions | 245 × 68 × 45 mm |
| Weight | ~489 g |
