| 
 | 
 SBX814  | 
 SBX824  | 
| 
 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        取样频率  | 
 2 times/sec  | 
 2 times/sec  | 
| 产品名称 | 产品简介 | 产品编号 | 
|---|---|---|
| SBX834数字噪音计 | 产品说明:测量范围:30~130dBA 35~130dBC;测量精确度:±1.5dB;频率响应:31.5HZ-8.5KHZ;动态范围: 50dB | MB-04720-00 |