Precision Integrating Sound Level Meter (Type approved IEC61672); class 1; range 30-140dB; linearity range 80dB; 1/2′ Free Field removable pre-polarized microphone; HD2010PNE2 removable preamplifier; parallel A, C, Z freq.weightings; parallel Fast, Slow, Impulse time constants; memory 8MB; storage 500 single records; Accredited calibration certificate included; combined datalogger and statistics (option HD2010.O2); windshield, USB cable, Noise Studio software, carring case, 4xbatteries included.
