SPER Scientific Meters Type 1 Sound Mete

SPER Scientific Sound Meter, 10-1/2 X 3-1/2 X 1-1/2 In, 30 To 130db Range, 31.5hz To 16khz, 0.7 In Lcd Display, Two 9v Batteries, 460g Weight, With Windscreen, Calibration Tool, Instructions, Carrying Case, Ce Approved, Type 1, Internal Calibration, Features Fast/Slow Time Weightings, Peak Hold And Ac Output, A And C Db Frequency Weighting Scales, Meets Iec61672 And Ansi S1.4 Frequency Weighting And Time Weighting Specifications - SPER