SNDWAY LCD Digital Sound Level Meter Digital Noisemeter

The device is for measuring environment noises in fields like noise project quality control and healthy prevention and cure etc and also could be used in places and items such as industries offices traffic roads home audio air conditioner and fridges.Features:Time display and warning function to meet customer needs.Connect with computer via USB data wire convenient to download data record take current sample print charts and data.This DB Meter complies with IEC651 Type 2 and ANSI S1.4 Type 2 with the measuring scope from 30 to 130dB Frequency: 31.5Hz~8KHz A and C Frequency Weighting mode selection and High speed(FAST)/Low speed(SLOW) response rate selection.The Mini Handhold Digital Sound Level Reader is compact lightweight and easy to use it is not only extremely wear-resisting but also elegant.AC and DC analog signal output.Features with backlight feature it is appropriate for gathering the sound data at night. Auto power off function is provided high-reliability and well-designed high-efficiency power supply circuit make the battery more durable.Specifications:Material: ABS plasticAccuracy: 1.5dB (based on the standard sound source 94dB @ 1KHz)Frequency Response Range: 31.5Hz~8.5KHzMeasurement Range: 30~130dBFrequency Weighting Character: A weight and C weightResponse Time: FAST and SLOWMicrophone: 6mm capacitor microphoneDigital Display: 3.5-digit resolution: 0.1 dB sampling rate: 2 times/secDynamic Scale Display: 30~130dB(1 scale equals 2dB)Overload Display: UNDER or OVER in display screenTime Display: YesWarning: Set the warning max valueStorage: 1 stock/sec storing 17h constantlyConnecting with Computer: Via USB cableAC Signal Output: 0.65Vrms for each shift and full scale the output of impedance around 600ohmDC Signal Output: 10mV/dB the output of impedance around 100ohmPower Supply: 3 * 1.5V AAA Battery (NOT included)Operating Temperature Humidity: 0?40? / 32?104? (10%?80%RH)Storage Temperature Humidity: -10?60? / 14?140? (10%?70%RH)Item Size: Approx. 215 * 64 * 27mm / 8.46 * 2.52 * 1.07inItem Weight: Approx. 178g / 6.29ozPackage Weight: Approx. 374g / 13.21ozPackage Size: Approx. 23.3 * 18 * 5.5cm / 9.18 * 7.09 * 2.17inPackage List:1 * Sound Level Meter1 * USB Cable1 * CD1 * User Manual (English)