Sound Level Meter, Handheld LCD Digital Sound Level Decibel Meter 30-130 DBA Pressure Meter, USB Noise Measurement

• High sensitivity, which has no false alarm, the measuring range is from 30-130dBA, it will provide an most accurate data for you.Designed with a windproof sponge ball to filter out unwanted signals, making the test more accurate.
• Handheld design and portable styling, which is convenient to use and carry.You can measure the sound data you want anytime, anywhere, and it's very portable and doesn't take up the position, improving your experience.
• LCD display screen, it has high definition, which is convenient to read data, no false alarm, attracting more people to involve in and reduce the noise actively.
• Multifunctional style, which can meet different needs, convenient for using.Meet the safety, health, industrial safety office and sound quality control engineer in different environments, including the measurement requirements of factory, office, traffic, home and sound system.
• Widely used in noise measurement, quality control, health prevention and environmental sound measurement, such as residential areas, mines, factories, schools, office buildings, airports, transportation, waiting room and other occasions.

Specification: Condition: 100% Brand New Material: ABS Accuracy: ±1.5dB Measuring range: 30-130dBA Frequency weighting: A and C. Time Weighting: Fast speed and Slow speed Operating Environment Conditions: The height is below 2000 meters Measurement Grade: 30-130dB (A), 35-130dB (C) Grade Range: 30 to 80 decibels 50 to 100 decibels 60 to 110 decibels 80 to 130 decibels 30 to 130 decibels Accuracy: ± 1.5db (under reference conditions) Resolution: 0.1db Linear Range: 50dB / 100dB Bar Chart: Steps 50dB scale with 1dB for monitoring current sound pressure level Sampling Rate: 20 times/second Number Display: 4 digits AC Signal Output: FS output impedance is about 0.707Vrms.600 Ω (ohm) DC Signal Output: 10mV/dB, about output impedance.100 Ω (ohm) Time Weight: Fast/slow Microphone: 1/2in electronic capacitor microphone Maximum Holding Function: Yes Working Conditions: 0-40°C, Relative Humidity 10- 80% Storage Conditions: -10-60℃, 10- 70% RH Power Supply: 4x AA 1.5v battery (Not Included) Size: Approx. 256 x 70mm/10.1 x 2.8in Package List: 1 x Sound Level Meter 1 x USB 1 x Connecting Line 1 x Instruction Book