Digital DB Sound Level Meter Decibel noise meter GM1357+ WITH LCD

Description

Features: -Wide measurement range: 30~130dBA, 35~130dBC -Accuracy up to 1.5dB -This unit was designed according to following standards: ----A. International electrician committee standard: IEC PUB 651 TYPE2 ----B. US national standard: ANSI S1.4 TYPE2 -100% Brand New -With modern, compact, portable design. -Easy to use -Frequency weighting characteristic: A & C -Time weighting characteristic: Fast & Slow -AC/DC output -Bar graph indication -Equipped with sponge ball to filter-out unwanted signals. -Max reading hold -Auto power off -Overload indication: OVER/UNDER -Auto backlight display -Low battery indication -Powered by 4x1.5V AA batteries (not included) -Approved by CE/ROHS/FCC standard -Under 1 year guarantee Technical Parameter: -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 ( included) -Operating condition: 0~40 10~80%RH -Storage condition: -10~60 10~70%RH -Weight: 308g (including battery) -Dimension: 70x35x256mm Package Includes: 1pc GM1357+ Sound Meter 1pc Sponge Ball 1pc User Manual