Brief description: The Risepro decibel meter is a portable, easy to use and useful device for measuring, monitoring and monitoring sound quality at home, at work, in school, in traffic, in audio systems and in construction areas. The meter is useful in many fields, such as noise pollution studios, research and other industrial uses. Specifications: Sound Level: 40~130dB LCD Display: 1.2 cm and 3 digits Response Time:0.5 seconds Resolution:0.1dB Accuracy: ±1.5dB Data hold, max, minimum and auto shutdown Frequency range: 31.5 Hz ~ 4 kHz Frequency Weighting:A Weighting Time:Fast (125ms) Microphone:1.2cm Electric Condenser Microphone Power supply: 9V battery Alkaline battery life: about 50 hours Temperature ranges:0~40℃ Operating humidity: 10~90% (relative humidity) Storage temperature: -10~60℃ Storage humidity: 10 ~ 70% (relative humidity) Approximate Dimensions: 170mm Diameter x 58mm Width x 2mm Height Approximate Weight: 107g Product includes: 1 Decibel Meter 1 x Sponge 1 x user manual (English language not guaranteed). 1 x Carry Bag High Quality Colorful Gift Box
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