Enhance your sound measurement tasks with the HT-80A Noise Tester, featuring a highly sensitive 1/2-inch electret condenser microphone designed to accurately detect subtle sound changes across a wide frequency range of 31.5Hz to 8kHz. Engineered for precision and ease of use, this noise meter offers reliable performance suitable for various environments such as factories, offices, homes, schools, and construction sites. Key Features: · Sensitive 1/2-Inch Condenser Microphone: Captures sound changes precisely, ensuring accurate noise level monitoring for professional and personal use. · Built-In Electronic Calibration Oscillator: Provides enhanced accuracy during sound testing, maintaining consistent and reliable measurement results. · Large LCD Display: Features a clear 3-digit screen for easy reading of noise levels, improving usability in different lighting conditions. · Automatic Power-Off: Energy-saving design powers off the device after 15 minutes of inactivity, extending battery life. · Compact and Lightweight Design: Weighing approximately 200g (7.1oz), the noise tester is portable and easy to carry, making it ideal for fieldwork and on-the-go applications. · Wide Measurement Range: Measures noise levels from 30dB to 130dB with ±1.5dB accuracy and 0.1dB resolution, suitable for diverse sound environments. · Fast Response Time: Reacts within 0.5 seconds with fast time weighting (125ms) to give real-time sound level updates. · Alarm Function: Displays "OL" alert when the input sound level exceeds the measurable range, preventing misreadings. · Durable Build: Constructed with ABS and copper materials for reliability and long-lasting use. Specifications: · Model: HT-80A · Material: ABS, Copper · Color: Yellow and Black · Frequency Range: 31.5Hz – 8kHz · Measurement Level Range: 30 – 130dB · Accuracy: ±1.5dB (under reference conditions) · Resolution: 0.1dB · Microphone Type: 1/2" Electret Condenser Microphone · Display: LCD, 3 digits · Reaction Speed: 0.5 seconds · Time Weighting: Fast (125ms) · Automatic Shutdown: After 15 minutes of inactivity · Power Life: Approximately 50 hours (alkaline battery) · Working Temperature: 0 – 40℃ (32 – 104℉) · Operating Humidity: 10 – 90% RH · Storage Temperature: 10 – 75% RH · Weight: Approx. 200g (7.1oz) Package Includes: · 1 x Noise Tester with Windproof Sponge Ball · 1 x User Manual The HT-80A Noise Tester combines accuracy, portability, and user-friendly design to offer a dependable solution for monitoring noise levels in multiple settings. Whether for workplace safety, environmental assessments, or educational use, this device delivers professional-grade sound measurement with convenient features and robust construction.