| AR-841 | AR-851 | Measuring Range | 0.5～20m | 0.5～20m(single Unit) | 测量范围 | 1～60m(Double Unit) | Accuracy | ±1% | ±1%(single Unit) | 测量度 | ±2%(Double Unit) | Measure In Imperial/Metric | √ | √ | 公英制转换 | Operation Condition | 0～40℃ | 0～40℃ | 工作环境 | 30-70%RH | 30-70%RH | Laser Pointer Aiming Selection | √ | √ | 激光定位 | Low Battery Indication | √ | √ | 低电显示功能 | 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 | 响应时间 | Measureing Benchmark Setup | √ | √ | 测量基准设置 | Single Or Double Unit Measure Selection | _____ | √ | 单机和双机测试选择开关 | WorkFrequency | 40khz | 40khz(single Unit) | 工作频率 | 20khz(Double Unit) | Key Sound,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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GENERAL CHARACTERISTICS | 一般特征 | | 9VAlkaline Battery | 9V Alkaline Battery | 供电 | 9V碱性电池 | 9V碱性电池 | LCD size | 56*28.3mm | 56*28.3mm | LCD尺寸 | Product Color | Dark Gray+Yellow | Yellow+Black | 产品颜色 | 深灰+黄 | 黄+黑 | Product Net Weight | 205g | 315g | 产品净重 | Product Size | 150*75*46mm | 150*75*46mm | 产品尺寸 |
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PACKING INFORMATION | 包装 | | 吸塑 | 吸塑 | 标准外箱容量 | 20 | 20 | 标准外箱尺寸 | 62.5*45.0*28.5cm | 62.5*45.0*28.5cm | 标准外箱毛重 | 6.2kg | 9.1kg | 包装方式2(Other Countries) | Blister | Blister | Standard Quantity Per Carton | 20 | 20 | Standard Carton Size | 62.5*45.0*28.5cm | 62.5*45.0*28.5cm | Standard Carton Gross Weight | 15kg | 17.5kg |
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