數(shù)字噪音計(jì) AR814產(chǎn)品詳細(xì)說(shuō)明
數(shù)字噪音計(jì)AR814
|
AR-814
|
AR-824
|
Measuring Range |
30~130dBA
|
30~130dBA
|
測(cè)量范圍 |
35~130dBC
|
35~130dBC
|
Accuracy |
±1.5dB
|
±1.5dB
|
測(cè)量精確度 |
Frequency Range |
31.5HZ-8.5KHZ
|
31.5HZ-8.5KHZ
|
頻率響應(yīng) |
Linearity Range |
50dB
|
50dB
|
動(dòng)態(tài)范圍 |
AC/DC Output |
√
|
√
|
AC/DC 信號(hào)輸出 |
Auto Power Shut Off |
√
|
√
|
自動(dòng)關(guān)機(jī)功能 |
Low Battery Indication |
√
|
√
|
低電顯示功能 |
Over Range Indication |
√
|
√
|
過(guò)載提示 |
Digit & Resolution |
5Digits & 0.1dB
|
5Digits & 0.1dB
|
數(shù)位及分辨率 |
Time Weighting Selection |
Fast/Slow
|
Fast/Slow
|
動(dòng)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 Selection |
√
|
√
|
測(cè)量檔位選擇 |
Max Hold Function |
√
|
√
|
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(guó)) |
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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