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產(chǎn)品展示 |
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AR-814|數(shù)字噪音計AR-814
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產(chǎn)品型號: |
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產(chǎn)品報價: |
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產(chǎn)品特點: |
AR-814|數(shù)字噪音計AR-814 |
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AR-814|數(shù)字噪音計AR-814的詳細(xì)資料: |
ar-814|數(shù)字噪音計|的詳細(xì)介紹 | general features & specifications | 一般功能和規(guī)格 | | | ar-814 | ar-824 | measuring range | 30~130dba | 30~130dba | 測量范圍 | 35~130dbc | 35~130dbc | accuracy | ±1.5db | ±1.5db | 測量精確度 | frequency range | 31.5hz-8.5khz | 31.5hz-8.5khz | 頻率響應(yīng) | linearity range | 50db | 50db | 動態(tài)范圍 | ac/dc output | √ | √ | ac/dc 信號輸出 | auto power shut off | √ | √ | 自動關(guān)機功能 | low battery indication | √ | √ | 低電顯示功能 | over range indication | √ | √ | 過載提示 | digit & resolution | 5digits & 0.1db | 5digits & 0.1db | 數(shù)位及分辨率 | time weighting se-lection | fast/slow | fast/slow | 動態(tài)特性選擇 | microphone | 1/2 inch electret condenser microphone | 麥克風(fēng) | 1/2 英寸電容式麥克風(fēng) | | frequency weighting | a & c | a & c | 頻率加權(quán)特性 | sound measuring level se-lection | √ | √ | 測量檔位選擇 | max hold function | √ | √ | zui大值鎖定 | sampling frequency | 2 times/sec | 2 times/sec | 取樣頻率 | | | | | | general characteristics | 一般特征 | power | 9v (alkaline or dc adapter) | 6v (4*aa alkaline or dc adapter) | 供電 | 9v堿性電池或者電源適配器 | 4節(jié)1.5vaa堿性電池或6v電源適配器 | lcd size | 30*50mm | 30*50mm | lcd尺寸 | product color | ivory | ivory | 產(chǎn)品顏色 | 象牙白 | 象牙白 | product net weight | 178g | 300g(include battery) | 產(chǎn)品凈重 | product size | 207*70*29mm | 265*70*35mm | 產(chǎn)品尺寸 | | | packing information | 包裝 | 包裝方式1(中國) | 彩盒包裝 | 彩盒包裝 | 標(biāo)準(zhǔn)外箱容量 | 20 | 20 | 標(biāo)準(zhǔn)外箱尺寸 | 55.0*45.0*26.5cm | 57.0*51.7*23.8cm | 標(biāo)準(zhǔn)外箱毛重 | 13.96kg | 10.5kg | 包裝方式2(other countries) | blister | blister | standard quantity per carton | 20 | 20 | standard carton size | 41.0*37.5*33.2cm | 41.0*37.5*33.2cm | standard carton gross weight | 5.76kg | 6.2kg | | | |
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