UNI-T UT352 Volume Level Meter

The UNI-T UT352 Volume Level Meter is a professional-grade sound level meter designed for accurate noise measurement in various environments. With a measurement range of 30 to 130 dB and high accuracy of ±1.5 dB, it is ideal for industrial, educational, and residential applications. The device features A and C frequency weighting, fast and slow time weighting, and a backlit LCD display for easy reading in low-light conditions.

Advantages

High accuracy and wide measurement range make it suitable for precise noise monitoring. The built-in USB interface allows for data logging to a PC, enabling detailed analysis. The auto power-off function conserves battery life, and the low battery indication ensures you are never caught off guard.

Suitable for

• Industrial noise monitoring
• Environmental noise assessment
• Educational demonstrations
• Workplace safety checks

Key specifications

• Measurement Range: 30 ~ 130 dB
• Accuracy: ±1.5 dB (at 1 kHz, 94 dB)
• Resolution: 0.1 dB
• Frequency Range: 31.5 Hz ~ 8 kHz
• Frequency Weighting: A / C
• Time Weighting: Fast (125 ms) / Slow (1 s)
• Dynamic Range: 50 dB
• Sampling Rate: 2 times/second
• Microphone Type: 1/2 inch Electret Condenser
• Display: LCD with Backlight
• Data Hold: Yes
• Max/Min Measurement: Yes
• Auto Power Off: Yes (10 minutes)
• Low Battery Indication: Yes
• Power Supply: 9V battery (6F22) or external DC 9V
• USB Interface: Yes (for data logging)
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Overload Indication: Yes (OVER/UNDER)

Recommendations

For best results, calibrate the meter before each use. Use the USB interface for long-term data logging and analysis. The UT352 is a reliable tool for professionals requiring accurate sound level measurements.