30-130dB Digital Sound Level Meter 0.1dB LCD Noise & Frequency Tester — AC/PWM Output, FAST/SLOW, Datas Store Calendar, USB+CD Software, Portable

Compact, portable sound level meter designed to measure audio and environmental noise in everyday and industrial settings — factories, workshops, offices, schools, residences, restaurants, traffic routes, libraries, classrooms and more. Ideal for checking equipment noise and ambient sound levels. Features and specifications: - Measurement range: 30-130dB with 0.1dB resolution. LCD readout for clear display. - Functions: noise frequency tester with FAST/SLOW response modes. - Outputs and data: AC/PWM Output and Datas Store Calendar support; includes USB+CD Software for data handling. - Durability: built using multiple composite processes to provide non-slip, drop-proof, dust-proof and waterproof protection. - Accuracy and safety: provides precise measurements and shows an over-range warning when the limit is exceeded. - Microphone: miniature condenser microphone sensor; the design protects the sound head so accidental drops do not prevent normal use. Portable and user-friendly — if you have any issues during the purchase process, contact us by email and we will respond within 1-8 hours.