Amazon Top Reviewer Highly Recommend! DB POWER® Digital Sound Noise Level Meter Tester Decibel Meter 40-130db of Large LCD screen with 4 Digits Reading
Tips:The Harm of Noise Pollution for Human Health1.Loud noises can cause ear discomfort, such as ear ringing, ear pains and hearing loss, etc. Noises above 115db can even lead to deafness. According to statistics, about 50 percent of those who are exposed to the noise above 80db for a long time lose their hearing.2.Noises can make nervous system disorder3.Harm for women's physiological function. Noises can cause abnormal menstruation, abortion , premature delivery, and even abnormal embryo.4.Noises can easily hurt their hearing organs.Amazon top reviewer highly recommend:An excellent sound noise level meter that is easy to use and sold at a fair price!--Top 10 Reviewer:jjceoThis Digital Sound Meter is very handy and portable for measuring sound.--Top 10 Reviewer: Daisy S "Daisy S"Excellent!--Top 500 Reviewer:John B. Goode "JBG"I'm really liking this meter.--Top 500 Reviewer:Josh H.Features* Easy to use and handy instrument for sound quality control in office, home, school. The meter has wide range of applications such as noise pollution studies, research and other industrial use.* Monitor the sound levels from traffic noise, alarm systems and workplace machinery Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard* Wide Measuring Range: 40 ~ 130 dB* With 2 equivalent weighted sound pressure levels A and C* Fast and Slow dynamic characteristic modes* Bar graph indication for Sound Level Range* Large LCD screen with 4 digits reading* MAX/MIN QUASI-ANALOG BAR INDICATOR* AUTO/MANUAL RANGING SELECTION* Fast & Slow response selectable* Auto power off : 20 min after non-operation