Graigar SL4201 Digital Sound Level Meter Decibel Data Logger 30-130dB

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About Graigar SL4201 Digital Sound Level Meter Decibel

OverviewThis meter is featured with wide measuring range (30-130dB). It's portable and easy to use and handy instrument for sound quality control in factory, office, home, school and construction site. Features:This meter is featured with wide measuring range (30-130dB).A frequency weighting, Fast/Slow response and Maximum hold function.Equipped with sponge ball.Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site.Slow rate to pick up the reading of average within 1 second.SpecificationFrequency range: 31.5Hz - 8KHzMeasuring range: (28)30dB - 130dBFrequency Weighting: A/CMicrophone: 1/2 inch polarization capacitance microphoneDigital Display: 4digit LCDResolution: 0.1 dBDisplay Update: 2 times/secTime Weighting:FAST    125msSLOW    1 secondMeasuring ranges:Range 1: (28)30dB - 70dBRange 2: 60dB - 100dBRange 3: 90dB - 130dBAccuracy: ±1dB (reference conditions 94dB@1kHz)Dynamic range: 30dBOverflow indicator:   "OVER" will be displayed when over range, display "OL" when overflow the upper range more than 5dB."UNDER" will be displayed when under range, display "LO" when under the lower range more than 5dB or under 28dB.MAX hold: "MAX"Data storage: 60000 samplesInterface: USB interfacePower: One 9V batteryPower Life: Approximately 70 hoursOperation Environment: 0 - 40°C(32 to 104°F)               10 - 75%RHStorage Environment: -10 - 50°C(14 - 122°F)10 - 80%RH Dimensions:      185(L)*65(W)*35(H)mm