Experience precise and reliable sound measurement with this high-precision Digital Sound Level Meter, designed for professional and personal use. Featuring an impressive accuracy of ±1.5dB, this versatile instrument also includes temperature measurement capabilities with selectable units (℃/℉), making it ideal for comprehensive environmental monitoring. Key Features: · High Precision Sound Level Measurement: Provides accurate readings within ±1.5dB, covering a wide range from 30dB to 130dBA, suitable for various noise control applications. · Temperature Measurement Function: Measures ambient temperature with a range of -10°C to 50°C (14°F to 122°F), offering selectable units for user convenience. · Dual Alarm System: Equipped with a red backlight alarm and sound alarm function to alert users when sound levels exceed preset thresholds. · Clear LCD Display with Backlight: The 4-digit digital display ensures easy reading of measurements, even in low-light or nighttime conditions. · Data Hold and Extremes Measurement: Supports data hold function along with maximum and minimum value recording for detailed sound analysis. · Low Battery Indicator & Power Saving: Features low battery indication and both automatic and manual power-off functions to extend battery life. · Compact and Lightweight Design: Made from durable ABS material, this meter is portable and easy to hold, weighing only 84g (0.19lb) with dimensions of 15 x 5 x 2.8 cm (5.91 x 1.97 x 1.1 in). · Sensor Protection: Includes a sponge ball for sensor conservation, enhancing the longevity and accuracy of the device. · Wide Applications: Perfect for environmental noise monitoring, workplace design, law enforcement, machinery and engine sound analysis, and home environment assessments. Specifications: · Material: ABS · Measuring Range: 30–130dBA · Resolution: 0.1dB · Accuracy: ±1.5dB (under reference conditions) · Frequency Range: 31.5Hz to 8.5kHz · Frequency Weighting: A Weighting · Temperature Measuring Range: -10°C to 50°C / 14°F to 122°F · Temperature Accuracy: ±2°C · Temperature Resolution: 0.1°C · Sampling Rate: 2 times/second · Power Supply: 3 x AAA batteries (not included) · Operating Temperature: 0–40°C (10%–80% RH) · Storage Temperature: -10–60°C (10%–70% RH) · Item Weight: 84g (0.19lb) · Item Size: 15 x 5 x 2.8 cm (5.91 x 1.97 x 1.1 in) Package Includes: · 1 x Digital Sound Level Meter · 1 x User Manual (English) This Digital Sound Level Meter combines accuracy, ease of use, and portability, making it an essential tool for professionals and hobbyists who require dependable noise and temperature measurement in various environments.