Test Noise Decibel Microphone Digital Sound Level Meter Datalogger with Free Software

The sound level meter measures and displays sound levels in dB from 30 to 130 dB. User selectable features include Frequency weighting (A & C), Response Time (Fast & Slow), Data Hold and MAX/MIN recording. Comply with norm of IEC 651 type 2, ANSI S1.4 TYPE 2. Each meter is fully tested and calibrated in factory before delivery. With proper use, it will provide years of reliable service

Features:    
             
             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
             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 @ 94 ors 114dB
             Display:3-1/2 digital LCD with analog bar-graph
             Outputs: AC/DC signal output from the 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, giftbox package, USB cable, Software CD.