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The UNI-T UT353 is a compact digital sound level meter designed for real-time monitoring of environmental and workplace noise. It measures A-weighted sound levels from 30 to 130 dBA with ±1.5 dB accuracy and selectable fast or slow response.
| Specification | Details |
|---|---|
| Brand | UNI-T |
| Model | UT353 |
| Product Type | Mini digital sound level meter |
| Sound Level Range | 30–130 dBA |
| Frequency Weighting | A-weighting |
| Accuracy | ±1.5 dB |
| Resolution | 0.1 dB |
| Frequency Response | 31.5 Hz–8 kHz |
| Fast Response | 125 ms |
| Slow Response | 1000 ms |
| Microphone | 1/2-inch condenser microphone |
| Measurement Functions | MAX/MIN and data hold |
| Overload Indication | OL |
| Display | 32 × 26 mm LCD with backlight |
| Automatic Power-Off | Approximately 5 minutes |
| Low-Battery Indication | Yes |
| Bluetooth Connectivity | No |
| Power Supply | 3 × 1.5 V AAA/R03 batteries |
| Operating Temperature | 0°C–40°C |
| Operating Humidity | ≤80% RH |
| Product Dimensions | 150 × 52 × 27 mm |
| Product Net Weight | 116 g |
| Product Colour | Red and grey |
| Certifications | CE, UKCA |
