Accurately measure environmental noise levels with this high-precision Sound Level Meter, designed for a wide range of applications including factories, workshops, schools, residential areas, offices, traffic roads, and audio testing. Featuring a large measurement range of 30.0 to 130 dBA with an accuracy of ±1.5 dB, this device delivers reliable and precise sound level readings every time. Key Features: · Wide Measurement Range: Covers 30.0 to 130 dBA, suitable for diverse sound environments with a high accuracy of ±1.5 dB, ensuring dependable results. · Maximum and Minimum Value Lock: Easily capture and hold the highest and lowest sound levels by pressing the "MAX" and "MIN" keys, allowing for thorough noise analysis. · High Definition Large Screen Display: Equipped with a white backlight, the clear 4-digit display ensures easy readability even in low-light or dark conditions. · Time Weighting Function: Switch between fast (FAST) and slow (SLOW) response modes by pressing the "F/S" button to suit different measurement requirements. · High Precision Sensor: Incorporates a highly sensitive 1/2-inch capacitive microphone with fast instantaneous response and excellent accuracy for precise sound detection. · Portable and User-Friendly: Compact and lightweight design with a durable ABS body, ideal for indoor use across various environments. Specifications: · Model: TA650A · Material: ABS · Measurement Range: 30.0~130 dBA · Accuracy: ±1.5 dB (reference 94 dB @ 1 kHz) · Resolution: 0.1 dB · Frequency Weighting: dBA · Display: 4 digits, max reading 1999 · Frequency Response: 31.5 Hz to 8 kHz · Microphone: High precision 1/2-inch capacitive microphone · Time Weighting: FAST (0.125s), SLOW (1s) · Sampling Rate: 2 times per second · Auto Power Off: 15 minutes (can be disabled) · Operating Environment: -10°C to 50°C, max 80% RH, indoor altitude < 2000m · Storage Environment: -10°C to 50°C, max 70% RH (battery removed) · Screen Size: 34 x 31 mm · Power Supply: 2 x 1.5V AAA batteries (not included) · Item Size: 167 x 59 x 31 mm (6.57 x 2.32 x 1.22 in) · Item Weight: 114 g (4.02 oz) Package Includes: · 1 x Sound Level Meter · 1 x Drawstring Bag · 1 x User Manual (English) This Sound Level Meter is an essential tool for professionals and hobbyists needing accurate noise measurement with ease and reliability. Its versatile features and clear display make it perfect for monitoring sound levels in various environments to ensure compliance with safety standards or optimize acoustic conditions.