NEW CEM DT-173 High Accuracy Digital Sound Noise Level Data Logger Datalogger with USB Interface

Conforms to the IEC61672-1 Class 2 for sound level measurement NORM and PEAK mode Over range indication A & C frequency weighting Fast (125ms) and slow (1s) time weighting Calibration via software Manual and automatic start modes Accuracy +/- 1.4 dB Frequency range 31.5 Hz - 8KHz Dynamic range 50dB Measuring ranges Auto: 30 -130 dB Time weighting Fast: 128 ms ; Slow: 1 sec Microphone 1/2 inch electret condenser microphone Data memory 129920 samples Battery life about 240 hours LED indicator Green (operating) and Yellow (memory full) LED OS compatibility Windows 2000, XP or VistaYou may also like DT-178A 3-Axis Vibration DataLogger Accelerometer 4 Mb USB Shock Acceleration Data Logger NEW!.