SPER Scientific Meters Mini Sound Meter

SPER Scientific Sound Meter, Mini, 8 X 2-1/8 X 1-1/2 In, 30 To 130db In A Scale And 35 To 130db In C Scale Range, 5 To 40c Operating Range, Maximum 80% Operating Rh, 31.5 To 8khz, 1-1/4 In Backlit Lcd Display, 9v Battery, 175g Weight, With Windscreen, Instructions, Features Fast/Slow Time Weightings, Minimum/Maximum Readings, Auto Ranging, Hold Function, Auto Power Off, A Or C Db Frequency Weighting Scales, Can Be Calibrated, In Compliance With Osha Using Acoustical Calibrator Or Equivalent, Readings Are Extremely Stable And Reliable - SPER