AR-831|超声波测距仪

测量范围 10inch～50foot 10inch～50foot 10inch～50foot  
Accuracy ±1% ±1% ±1%  
测量精确度  
Measure In Imperial/Metric √ √ √  
公英制转换  
Dynamic Display √ √ √  
动态读数显示  
Laser Pointer Aiming √ √ √  
激光定位  
Data Store /Recall √ ____ ______  
存储/调出数据  
Computer Area And Volume √ √ √  
计算面积和体积  
Sum Of Length √ √ √  
计算长度累加  
Auto/Manual Shut-off √ √ √  
自动/手动关机  
LCD Backlight √ √ √  
LCD 背光显示  
response Time 2s 2s 2s  
响应时间  
Measureing Benchmark Setup √ √ √  
测量基准设置  
KeySound,Beeps For Wrong Reading And Reading Confirmation √ √ √  
 
按键声提示,出错声音提示 √ √ √  
以及确认声音提示 

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