UNI-T UT353 Sound Level Meter

High-Precision Acoustic Measurement: Accurately measures ambient sound pressure levels across a wide range from 30dBA to 130dBA with fine 0.1dB resolution.

A-Weighting Frequency Response: Features A-weighting frequency characteristics designed to mimic the human ear’s sensitivity to noise levels for reliable environmental noise safety checks.

Fast/Slow Time Weighting Selection: Offers selectable response rates including Fast (125ms) for rapid peak noise tracking and Slow (1s) for evaluating average ambient noise trends.

Max/Min Value Hold & Data Storage: Equipped with MAX/MIN tracking modes to freeze high and low decibel readings alongside automatic Data Hold on the screen.

Backlit LCD Screen & Over-Range Alert: Large illuminated digital display features automatic backlighting in low-light environments and displays "UN" or "OL" visual alerts when noise exceeds thresholds.

Compact Portable Form Factor: Ergonomic, lightweight palm-sized design complete with a removable windscreen foam cap to reduce wind noise during outdoor testing.

Housing & Sensor Construction: High-impact ABS plastic body casing with rubberized side grips and an electret condenser microphone sensor tip.

Technical Specifications:

Measurement Range: 30dBA to 130dBA.

Measurement Accuracy: -+ 1.5dB.

Frequency Response: 31.5Hz to 8kHz.

Power Supply: Powered by 3 x 1.5V AAA batteries.

Usage Safety & Windscreen Care: Use the included sponge windscreen when taking noise measurements outdoors or in high-airflow environments to prevent airflow distortion.

Maintenance & Cleaning: Keep the microphone capsule dry and dust-free. Clean the outer casing with a soft, dry microfiber cloth.

Essential Noise Level Inspector: Position as an indispensable acoustic monitor for workplace safety audits, construction site compliance, audio studio setup, venue monitoring, and residential noise complaint checks.

Highlight A-Weighting & Fast/Slow Response: Emphasize its standard A-weighting scale and fast/slow response timing as key pro-level features for accurate noise compliance monitoring.

Recommended Cross-Sell Add-ons: Pair with UNI-T UT363S Digital Mini Anemometer, UNI-T UT383S Digital Light Meters, UT333S Temperature Humidity Meter, and DL8003 12-240V AC.DC digital test pen.

Environmental Diagnostics Essential: Feature prominently on your Other Measuring Instruments collection page as an entry-level acoustic measuring instrument.