超声波测距仪AR851参数、特点、说明超声波测距仪AR851GENERALFEATURES&SPECIFICATIONS一般功能和规格AR-841AR-851MeasuringRange0.5～15m0.5～15m(singleUnit)测量范围1～60m(DoubleUnit)Accuracy±0.5%±1.5%(singleUnit)测量精确度±2%(DoubleUnit)MeasureInImperial/Metric√√公英制转换OperationCondition0～30℃0～30℃工作环境30-70%RH30-70%RHLaserPointerAimingSelection√√激光定位LowBatteryIndication√√低电显示功能ComputerAreaAndVolume√√计算面积和体积SumOfLength√√计算长度累加Auto/ManualShut-off√√自动/手动关机LCDBacklight√√LCD背光显示responseTime2s2s响应时间MeasureingBenchmarkSetup√√测量基准设置SingleOrDoubleUnitMeasureSelection_____√单机和双机测试选择开关WorkFrequency40khz40khz(singleUnit)工作频率20khz(DoubleUnit)KeySound,BeepsForWrongReading√√AndReadingConfirmation按键声提示,出错声音提示以及确认声音提示GENERALCHARACTERISTICS一般特征Power9VAlkalineBattery9VAlkalineBattery供电9V碱性电池9V碱性电池LCDsize56*28.3mm56*28.3mmLCD尺寸ProductColorDarkGray+YellowYellow+Black产品颜色深灰+黄黄+黑ProductNetWeight205g315g产品净重ProductSize150*75*46mm150*75*46mm产品尺寸PACKINGINFORMATION包装包装方式1(中国)吸塑吸塑标准外箱容量