This Sound Level Meter Complies With Iec651 Type 2 And Ansi S14 Type 2 It Could Be Called As Db Reader Phonometer Or Spl Meter Accumulate Sound Level Value Data For Noise Dosimeter Can Be Used As A Noise Monitor Testing Sound Intensity To Reduce Noise Pollution Avoiding The Risk To Hearing Damagebut It Is Account For The Relative Loudness Perceived By The Human Earthe Value Will Fluctuate According To The Different Distance Sound Source Specifications: Sound Pressure Accuracy: A15 Db (Sound Pressure Standard 94 Db @ 1Khz) Sound Pressure Accuracy: A5 Db (Sound Pressure Standard 94 Db @ 8Khz) Sound Pressure Frequency Response: 30Hz - 8Khz Dynamic Range Of Sound Pressure: 50 Db (For Each Measurement Gear Level) Sound Pressure Measurement Scope: 30-130 Dba 35-130 Dbc Sound Pressure Frequency Weighting Characteristics: A And C Characteristics Dynamic Characteristic Of Sound Pressure: Fast 125Ms Slow 1Sec Maximum (Max)Locking Function:Yes Microphone: Polarized Capacitive Microphone Digital Display: 4-Digit Resolution: 01 Db Sampling Rate: 2 Timessec Analog Bar Display: Each Analog Bar Represents 1 Db Sampling Rate Is 20 Timessec Measurement Gear Level: 30-80 Db 40-90 Db 50-100 Db 60Aa110 Db 70Aa120 Db 80-130 Db 6 Gear Levels In Total Automatic Shifting Gear Level: Microcomputer Will Automatically Select The Best Gear Level In The Range From 30 To 130 Db Below Or Above Limit Prompt: Indicated With Aunderaa Or Aovera Display Power Supply:4 Aaa Batteries 15V Package List: 1 * Sound Level Meter(Batteries Not Include) 1 * User Manual Note: Do Not Use The Meter In Hot Humid Environment If You Want To Calibrate It It Needs Primary Standard Acoustic Source Acoustic Environment Normally Only The Third Testing Organization Or The Accredited Laboratory Could Do It
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