UNI-T UT353BT Mini Sound Level Meter

The UNI-T UT353BT is a compact and portable mini sound level meter designed for quick and accurate noise measurements in various environments. With Bluetooth connectivity, it allows convenient data logging and analysis via smartphone app. Ideal for industrial safety, environmental monitoring, and home use.

Advantages

Bluetooth wireless data transmission for remote monitoring; compact size for easy carrying; wide measurement range from 30dB to 130dB; A and C frequency weighting; fast and slow time weighting; data hold and max/min recording; low battery indication; auto power-off.

Suitable for

• Noise pollution monitoring in residential and commercial areas
• Workplace noise assessment for occupational safety
• Sound level checks in schools, hospitals, and offices
• Home theater and audio system calibration
• Environmental noise surveys

Key specifications

• Measurement range: 30dB to 130dB
• Accuracy: ±1.5dB
• Frequency range: 31.5Hz to 8kHz
• Frequency weighting: A and C
• Time weighting: Fast (125ms) and Slow (1s)
• Display: 4-digit LCD with backlight
• Bluetooth: Yes (for app connectivity)
• Power: 3 x AAA batteries (not included)
• Dimensions: 50 x 36 x 210 mm
• Weight: 120g (without batteries)

Recommendations

For best results, calibrate the meter before each use. The Bluetooth app is available for iOS and Android. Always point the microphone towards the noise source.