Digital Sound Level Meter Noise Measuring Instrument 30-130dB Sound Level Auto Decibel ,Small and Lightweight

-Powered by 4x1.5V AA batteries (not included)

-Approved by CE/ROHS/FCC standard

Specification:

-Measuring range: 30dBA~130dBA, 35~130dBC

-Accuracy: ±1.5 dB

-Frequency range: 31.5Hz~8.5KHz

-Frequency weighting: A/C

-Digital Display: 4digits

-Resolution: 0.1dB

-Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130

-Linearity range: 50dB / 100dB

-Sample rate: 2 times/second

-AC output: 0.707Vrms at FS output impedance approx. 600 ohm

-DC output: 10mV/dB, output impendance approx. 100ohm

-Microphone: 1/2 inch electret condenser microphone

-Power supply: 4xAA 1.5V Battery (not included)

-Operating condition: 0~40 10~80%RH

-Storage condition: -10~60 10~70%RH

Package content:

-1 x Sound level meter

-1 x Operation Manual

-1 x Sponge Ball

-1 x USB cable

-1 x Software CD

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