Applied StandardIEC61672-1 CLASS2Measuring level range35dB135dBDynamic range50dBFrequency range 31.5H z8KHzAccuracy 2.0 dBFrequency weightingA frequency weightingTime weightingFAST: 125ms/
SLOW: 1sMicrophone1/2 inch electrets condenser microphoneHigh/low reading indication100dB, LCD displays"Hi"High/low reading indication100dB, LCD displays"LO"Temperature range-2070/-4158Temperature accuracy 1.5 / 2.7R esolution 0.1D ata update300msBattery lifeat least 60 hoursEnable/DisableAuto power offThe meter shuts off automatically after 15 minutes inactivity under autopower off mode, disable auto power off is availableBattery3* 1.5V "AAA" batteriesOperating conditions-2060/-4140, 10RH%90 RH%Storage conditions-2060/-4140, 10 RH%75 RH%Dimensions144*56* 30.5 mmWeight73g
Features: High accuracy, fast responseColor LCD display with backlightTemperature measurementMAX, MINData HOLDWide frequency rangeFast/slow time weightingOver range indicationEnable/Disable auto power off