VA8080聲級(jí)計(jì)-宋氏凈化設(shè)備有限公司

VA8080聲級(jí)計(jì)

特點(diǎn)：

參照標(biāo)準(zhǔn): IEC651 Type2, ANSI S1.4 Type 2

頻率響應(yīng): 31.5Hz~8KHz

測(cè)量范圍: 30dB~120dB

頻率加權(quán)特性：A類

數(shù)字顯示： 4 位

分辨率： 0.1 dB.

精度： 30~60dB ±3 dB; 60~120dB ±2 dB

測(cè)量檔位： 30~60 dB, 50~80 dB, 70~100 dB, 90~120dB

響應(yīng)時(shí)間：模擬條: 125毫秒; 分貝數(shù): 750毫秒

自動(dòng)關(guān)機(jī)/連續(xù)工作方式選擇

軟件校準(zhǔn)，確保儀器高可靠性

其它特點(diǎn)：自動(dòng)、手動(dòng)檔位選擇、噪聲顯示、檔位顯示、

自動(dòng)關(guān)、低電壓顯示、噪聲過低、過高指示

電池： 1.5V AAAx3

VA8080 Sound level meter

VA8080 Sound level meter
The Sound Level Meter has been designed to measure sound level for various environments. It is used to detect noise, music level or sound engineering...

SPECIFICATIONS:
●Standard applied: IEC651 Type2, ANSI S1.4 Type 2
●Frequency range: 31.5Hz~8KHz
●Measuring range: 30—60dB, 50—80dB, 70—100dB, 90—120dB
●Frequency weighting: A Type
●Digital display:4 digitals
●Resolution:0.1 dB.
●Accuracy: 30~60dB ±3 dB; 60~120dB ±2 dB
●Time response: Analog bar: 125ms ; Digital :750ms
●Operating temperature: 0~+40℃
●Operating humidity: 10 ~ 80%RH

FEATURES:
● automatic ranging / manual ranging selection.
● Analog bar indicator.
● Frequency weighting A Type.
● Range display.
● Automatic shutdown / continuous working mode
selection.
● Low battery voltage indication.
● Sound OVER or UNDER display.
● Software calibrating to insure high reliability.
● Good circuit designed to save power.
● Small volume , large LCD.
● Low power consume
● Complete with pouch case
● Power supply: DC1.5V （AAA） x 3pcs

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