美國辛普森SIMPSON 886-2型聲級計(jì)的詳細(xì)信息

 美國辛普森Simpson 884-2 / 886-2 聲級計(jì)Simpson's sound level meters come in two different versions to handle virtually any noise measurement requirement: the Model 884-2 with an "A" weighted scale for simple measurements and the Model 886-2 with a choice of fast or slow response and "A", "B" or "C" weighting. All three models have output jacks for connecting to a Chart Recorder. Optional calibrators are available for in-field adjustment.General purpose, type 2 meters for OSHA and laboratory sound measurementsFull coverage from 40-140dB with special 85-115dB OSHA range"A", "B", and "C" weighted measurement optionsRugged solid-state reliability, battery-operatedImpact-resistant case contoured to minimize sound energy field reflections