Features:Designed according to following standards: International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2.Wild Measurement Range: 30-130dB.Accuracy: up to ± 1.5dB.Windscreen for Filter-out Unwanted Signals.With 2 equivalent weighted sound pressure levels A and C.AC & DC

Features:Designed according to following standards: International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2.Wild Measurement Range: 30-130dB.Accuracy: up to ± 1.5dB.Windscreen for Filter-out Unwanted Signals.With 2 equivalent weighted sound pressure levels A and C.AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record.A frequence weighting for general sound level measurements.C frequence weighting for checking the low-frequency content of sounds.Large LCD screen with digits reading.Fast and Slow dynamic characteristic modes.Fast rate to pick up the current reading.Slow rate to pick up the reading of average within 1 second.Maximum value holding function to lock up the maximum reading.Equipped with sponge ball.Auto power off design for energy saving.Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site.Specifications:Accuracy: 1.5dB (under reference conditions)Measuring Level: 30-130dB (A)/35-130dB (C)Frequency Range: 31.5Hz to 8.5KHzLinearity Range: 50dB/100dBDigital Display: 5 digitsResolution: 0.1dBBar Graph: 50 dB scale at 1 dB step for monitoring current sound pressure level displayOverload Indication: OVER/UNDERFrequency Weighting: A and CLevel Ranges: 30-80dB, 50-100dB, 60-110dB, 80-130dBSelf Calibration Time: 3secSampling Rate: 20 times/secondsAC Signal Output: 0.707Vrms/ full bar graph, output impedance is about 600ohmDC Signal Output: 10mV/dB,output impedance is about 100ohmDynamic Characteristic: FAST (high speed)/SLOW (low speed)Power Supply: 4x AA 1.5V alkaline cells or DC 6V 100mAMicrophone: 1/2" Electret Condenser microphoneItem dimensions: 256 x 70 x 35mmItem weight: 238gPackage including:1 * Sound Level Meter1 * Sponge Ball1 * Operation Manual1 * DC 6V Cable