2-IN-1 Digital Sound Level Meter Data Logger LD8506

Features:     
               Comply with norm of IEC 651 type 2, ANSI S1.4 TYPE 2. 
               Digital LCD with Analog Bar-graph and backlight
               A/C Frequency weighting
               Fast/Slow Response time
               Over-range and Under-range indication
               MAX/MIN
               Data Hold
               Auto Power Off
               Super low power consumption
               DC/AC Analog signal output
               External 9V DC power supply
               Data logging and USB interface

Specifications:
              Applicable standards:IEC61672-1: 2003 Class 2
              Measurement range:30 to 130dB
              Microphone:1/2 inch polarized condenser microphone
              Frequency range:31.5~8000Hz
              Accuracy:±1.5dB
              Resolution:0.1dB
              Data update:500ms
              Response time:FAST 125 ms, SLOW 1 s
              Standard calibrator:1KHz sine wave  at 94 ors 114dB
              Display:3-1/2 digital LCD with analog bar-graph
              Outputs:AC/DC signal output from earphone jack
               AC=1Vrms ,DC=10mV/dB
               Output port: Micro USB 
              Power: One 9V battery or DC 9V
              Data logger Memory: 32000 data 
              Operating condition: 0 ~ 50°C (32 ~ 122°F),10 ~ 90% RH,Non-condensing
              Storage condition: -20 ~ 60oC (- 4 ~ 140°F),10 ~ 90% RH,Non-condensing
              Weight: 200g
              Dimension: 215mm*58mm*33mm
              Accessories: Manual, 9V battery, windscreen, screwdriver, gift box package, USB cable, Software CD.