Introduction:
Multifunctional noise display screen is similar to an advertising board equipped in the urban areaIt can display environmental or traffic noise of a point realtimely monitored.It can conduct an environmental publicity in the form of text in order to improve people's awareness of environmental protection
.We can make it single, double, three sides or four sides on the request of order. Each side can shows the instantaneous sound level or simultaneously
show the equivalent continuous sound level, also can add a USA character scrolling screen display and remote monitoring functions
Technical Parameters:
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Model |
ND21 |
ND23 |
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Display Function |
2 bit instantaneous sound level |
2 bit instantaneous sound level and equivalent continuous sound level |
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Microphone |
φ12.7mm(1/2 inch) horizontal polarization test condenser microphone |
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Measuring Range |
40～90Db |
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Storage Function |
Leq,L10,L50.L90.SD,Lmax,maximum measuring data for ten days |
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Data Acquisition |
Artificial collection with collector or remote collection through the telephone line |
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character scrolling screen |
On the request of the user on the order |
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Power supply |
220V 50Hz |
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Dimensions |
1.8×1×0.25(each side), 2.4×1.2×0.4(with USA character scrolling screen) |
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Weight |
About 50kg |
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