Digital Sound Meter

1,Summary 　JH1-HS5633A digital sound meter shows measure result on LCD with whole function of spot acoustic has small bulk,light weight and simple configuration,it is easy to is applicable for spot measure of noise of machinery and electric products,surrounding and traffic.

2,Traits 　　(1) beside general sound measure, HS5633A has function of keeping maxumum sound and setting measure range. 　　(2)HS5633A use four No.5 dey batteries with indication of battery check.,also it is equipped with outer DC power receptacle (7.5V~9V) and AC&DC pressure output jack.

3,Main technical index 　　range of sound measure: 35~130dB(A) 40~130dB(C) 　　function of sound enactment:free set in the range of 40dB to 130dB 　　frequency range and frequency calculation trait: 　　a)b) frequency range: 31.5~8kHZ 　　b)d) trait of frequency calculation:A calculation and C calculation accord with requirement of GB3785 standard on â…¡ type apparatus. 　　demodulation:real virtual value 　　trait of time calculation:fast and slow 　　Display:LCD automatically shows cycle time for one time every second, resolving power is 0.1 dB. 　　microphone: 1/2 inch capacitance microphone 　　Keep trait:keep maximum virtual value,attenuation speed is not more than 0.1 dB every minute. 　　output jack:output DC logarithm pressure: +500mV~—400mV(10mV/dB) 　　power:four No.5 dry batteries,also can connect with outer DC power (7.5V~9V) 　　appearance size: 178mm×63mm×28mm 　　weight: 290G(including batteries) 　　accessory:wind-cover:one 　　instruction:two