Basic sound level meter TES-1357

class 2digital

Fast/Slow dynamic characteristic A&C Frequency Weighting Applicable standards IEC61672-1: 2013 Class 2 , ANSI S1.4: 1983 Type 2 Accuracy ±1.0dB (ref 94dB @1KHz) Digital display 4 digital LCD Measurement Level C weighting 35dB ~ 130dB Level Range 30-80dB, 50-100dB, 60-110dB, 80-130dB Measurement Frequency range 31.5 Hz to 8KHz Frequency Weight A and C Time weight Fast and Slow Microphone 1/2 inch Electret condenser microphone Digital display 4 digit LCD , 0.1dB resolution, updated every 0.5s Quasi-analog bar indicator 1-dB steps, 50dB display range, updated every 100ms Display Warning function Overrange indicator Underrange indicator Displayed at the upper limit Displayed at the lower limit Power supply Four 1.5V LR-6/AA size alkaline cell, AC adapter Battery Life About 30hrs ( alkaline cells ) Operating temperature , humidity 0 ~ 40℃ , 10 ~ 80% RH Dimensions 265 (L)×72(W)×35(H)mm Weight Approx. 358g Accessories Instruction manual , Battery , Carrying case , Adjustment screwdriver , Wind shield, 3.5Φplug