Experience precise and reliable sound measurement with this advanced Sound Level Meter, designed to meet professional and industrial noise monitoring needs. Featuring high-precision 1/2-inch condenser microphone technology, this device offers exceptional sensitivity and fast transient response, ensuring accurate detection of sound levels from 30 to 130dB across multiple measurement ranges. Ideal for environmental noise assessment, workplace safety, and acoustic research. Key Features: · Three Frequency Weighting Modes (A/C/Z): Adaptable to various sound analysis requirements, with A and C weighting standard on both models and Z weighting exclusive to the TA652B, allowing connection to frequency analyzers or X-Y axis recorders for detailed statistical data analysis. · High-Precision Microphone: Equipped with a 1/2-inch condenser microphone that delivers high sensitivity and fast transient response for accurate sound pressure level detection. · Extensive Data Storage Capacity: Capable of recording and storing up to 1999 groups of data, enabling long-term monitoring and detailed review of noise levels. The TA652B model supports USB connectivity for seamless data export and chart generation on a PC. · Adjustable Alarm Limits with Audible and Visual Alerts: Set upper and lower sound thresholds to trigger buzzer alarms and flashing indicator lights, providing immediate notification when noise levels exceed preset limits. · USB Connectivity (TA652B Only): Enables real-time data transfer and visualization on a PC, supporting live data sheets and charts for enhanced monitoring and analysis. · Wide Measurement Range and High Accuracy: Measures sound levels from 30dB to 130dB with ±1.5dB accuracy and 0.1dB resolution, suitable for diverse environments. · User-Friendly Display and Controls: Features a clear 4-digit display capable of showing up to 1999 counts, along with overload indicators ("OVER, HI" and "UNDER, LO") for easy interpretation of readings. · Durable and Portable Design: Constructed from robust ABS material, this meter is lightweight (215g) and compact (229 x 70 x 35mm), perfect for fieldwork and indoor use. · Power Options: Operates on three 1.5V AA batteries (not included) or via USB micro interface (5V), with an auto power-off function after 15 minutes to conserve battery life (can be disabled manually). Specifications: · Model: TA652A (A/C weighting), TA652B (A/C/Z weighting) · Measurement Level Ranges: 30~70dB, 60~90dB, 80~110dB, 100~130dB · Frequency Response: 31.5Hz to 8kHz · Time Weighting: FAST (0.125s), SLOW (1s) · Sampling Rate: 2 times per second · Analog Signal Output: AC/DC from headphone jack (AC=100mVrms; DC=10mV/dB for TA652B) · Operating Temperature: 0℃ to 60℃ (±2℃ accuracy) · Working Environment: -10℃ to 50℃, max 80% RH, indoor altitude <2000m · Storage Environment: -10℃ to 50℃, max 70% RH (battery removed) · Display Size: 53 x 44mm · Item Weight: 215g / 7.58oz · Item Dimensions: 229 x 70 x 35mm / 9.01 x 2.75 x 1.37in Package Includes: · 1 x Sound Level Meter · 1 x USB Cable · 1 x Cloth Bag · 1 x User Manual (English) This Sound Level Meter offers precise acoustic measurement with advanced features and versatile connectivity options, making it an essential tool for professionals requiring accurate noise monitoring and data analysis in various environments.