GENERAL FEATURES & SPECIFICATIONS |
一般功能和规格 |
|
|
AR-814 |
AR-824 |
Measuring Range |
30~130dBA |
30~130dBA |
测量范围 |
35~130dBC |
35~130dBC |
Accuracy |
±1.5dB |
±1.5dB |
测量精确度 |
Frequency Range |
31.5HZ-8.5KHZ |
31.5HZ-8.5KHZ |
频率响应 |
Linearity Range |
50dB |
50dB |
动态范围 |
AC/DC Output |
√ |
√ |
AC/DC 信号输出 |
Auto Power Shut Off |
√ |
√ |
自动关机功能 |
Low Battery Indication |
√ |
√ |
低电显示功能 |
Over Range Indication |
√ |
√ |
过载提示 |
Digit & Resolution |
5Digits & 0.1dB |
5Digits & 0.1dB |
数位及分辨率 |
Time Weighting Selection |
Fast/Slow |
Fast/Slow |
动态特性选择 |
Microphone |
1/2 Inch Electret Condenser Microphone |
麦克风 |
1/2 英寸电容式麦克风 |
|
Frequency Weighting |
A & C |
A & C |
频率加权特性 |
Sound Measuring Level Selection |
√ |
√ |
测量档位选择 |
Max Hold Function |
√ |
√ |
最大值锁定 |
Sampling Frequency |
2 times/sec |
2 times/sec |
取样频率 | |
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|
|
|
GENERAL CHARACTERISTICS |
一般特征 |
Power |
9V (Alkaline or DC Adapter) |
6V (4*AA Alkaline or DC Adapter) |
供电 |
9V碱性电池或者电源适配器 |
4节1.5VAA碱性电池或6V电源适配器 |
LCD size |
30*50mm |
30*50mm |
LCD尺寸 |
Product Color |
Ivory |
Ivory |
产品颜色 |
象牙白 |
象牙白 |
Product Net Weight |
178g |
300g(include battery) |
产品净重 |
Product Size |
207*70*29mm |
265*70*35mm |
产品尺寸 | |
|
PACKING INFORMATION |
包装 |
包装方式1(中国) |
彩盒包装 |
彩盒包装 |
标准外箱容量 |
20 |
20 |
标准外箱尺寸 |
55.0*45.0*26.5cm |
57.0*51.7*23.8cm |
标准外箱毛重 |
13.96kg |
10.5kg |
包装方式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 | |