Sper Scientific 840028C, Certified Graphic Display Sound Level Meter

Certified Graphic Display Sound Level Meter Includes: Windscreen 9V battery Instructions Hard shell carrying case N.I.S.T. traceable certificate of calibration Features: Covers 30 ~ 130 dB in the A scale and 35 ~ 130 dB in the C scale with a resolution of 0.1 dB and an accuracy of 1.5 dB. Meets ANSI S1.4 and IEC 651 Type 2 standards, and includes A C decibel frequency weighting scales Fast or slow response AC or DC output Low battery indicator Peak function Can be calibrated in compliance with OSHA using Acoustical Calibrator 850016. An even larger LCD display with an analog bar graph auto-ranging, min/max function USB computer interface. Another special function allows you to accurately measure equipment noise in the presence of high background noise.