Digital Noise Sound Level Meter GN101

Features High accuracy, fast response Color LCD display with backlight Temperature measurement MAX,MIN Data HOLD Wide frequency range Fast/slow time weighting Over range indication Enable/Disable auto power off Specifications Applied Standard IEC61672-1 CLASS2 Measuring level range 35dB～135dB Dynamic range 50dB Frequency range 31.5Hz～8KHz Accuracy ±2.0dB Frequency weighting A frequency weighting Time weighting FAST:125ms/ SLOW: 1s Microphone 1/2 inch electrets condenser microphone High/low reading indication ﹥100dB,LCD displays"Hi" High/low reading indication ﹤100dB,LCD displays"LO" Temperature range -20℃～70℃/-4℉～158℉ Temperature accuracy ±1.5℃/2.7℉ Resolution 0.1 Data update 300ms Battery life at least 60 hours Enable/DisableAuto power off The meter shuts off automatically after 15 minutes inactivity under autopower off mode, disable auto power off is available Battery 3*1.5V "AAA" batteries Operating conditions -20℃～60℃/-4℉～140℉,10RH%～90 RH% S