GM1356 Digital USB Noise Meter Sound Level Meter Decibel Meter 30-130dB A/C FAST/SLOW dB + Software with Carry Box

Description: This sound level meter is an ideal tool to measure Sound Pressure Level in decibels (dB). It is used for sound quality control in factory, office, home, school, restaurant, hospital and construction site, etc. 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 -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. -USB interface. -Analyse software. -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. 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: 4 x AA 1.5V Battery (Not included) -Operating condition: 0~40 10~80%RH -Storage condition: -10~60 10~70%RH -Weight: 308g (including battery) -Dimension: 70 x 35 x 256mm Package included: 1 x GM1356 Digital USB Noise Meter 1 x USB Cable 1 x CD Detail Pictures: