Quick DetailsPlace of Origin: Guangdong,Website:http://www.flus-meter.com, China (Mainland) Brand Name: FLUS Model Number: ET-953 Usage: Sound Level measuring Packaging & DeliveryPackaging Details: Carrying case with gift boxDelivery Detail:1-3days for sample, 7-30 days for mass productionnoise level metersFeatures:1. Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder2. A/C frequency weighting3. Time and Date display4. Over/Under input alarm5. MAX/MIN hold6. Large Backlit LCD display7. Low battery indication 8. Auto power off Specification:Standard Applied IEC61672 -1 CLASS2Accuracy ±1.4dBFrequency Range31.5HZ ~ 8KHZDynamic Range50dBLevel RangesLO: 30dB~80dB Med: 50dB~100dB Hi: 80dB~130dB Auto : 30dB~130dBTime WeightingFAST (125ms ) / SLOW ( 1s )Microphone1/2inch electret condenser microphoneDisplay Update2 times/sec.Operating Conditions:-20 °C ~ 60 °C, 10%RH ~ 90%RHStorage Conditions:-20 °C~ 60 °C, 10%RH ~ 75%RHAnalog OutputAC/DC outputs from earphone outletAC=1Vrms, DC=10mV/DbSize(L*W*H)252 *66 *33mmWeight258gAccessoriesUser's manual, 9V battery, 3.5mm earphone plug, windscreen, regula~rrod, tripod(optional), carrying case, large gift boxPackage information:1. Package: Carrying case with gift box2. Sample Lead Time: 1-3days3. Production Lead Time: 7-30days4. Warranty: two years