| Specifications | Range | Best Accuracy |
| Model | | UT351 |
| Range | 30～80dB | ±1.5dB |
| 50～100dB | ±1.5dB |
| 60～110dB | ±1.5dB |
| 80～130dB | ±1.5dB |
| Frequency | 31.5Hz～8000Hz | √ |
| Frequency Weighting | A&C | √ |
| Sample Rate | FAST: 8 Times/s | √ |
| SLOW: 1 Times/s | √ |
| Features |
| Analogue Outputs | AC: 0.707Vrms full scale;Output impedance: around 600Ω | √ |
| DC: 2Vrms full scale; 10mV/dB; Output impedance: around 100Ω | √ |
| Data Hold | | √ |
| Auto Power Off | | √ |
| Low Battery Indication | ≤4.8V | √ |
| MAX Mode | | √ |
| MIN Mode | | √ |
| High Alarm | Display “OVER” | √ |
| Lower Alarm | Display “UNDER” | √ |
| LCD Backlight | | √ |
| Analogue Bar Graph | 30～130dB | √ |
| General Characteristics |
| Power | 1.5V Batteries (LR6) X 4 |
| LCD Size | 53mm X 41mm |
| Product Color | Red and Grey |
| Product Net Weight | 330g |
| Product Size | 273mm X 70mm X 39 mm |
| Standard Accessories | Batteries, Windscreen, Leather Box |
| Standard Individual Packing | Gift Box, English Manual |
| Standard Quantity Per Carton | 30pcs |
| Standard Carton Measurement | 670mm X 385mm X 300mm (0.077 CBM Per Standard Carton) |
| Standard Carton Gross Weight | 18kg |
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