| 型号 |
AR-811 |
AR-821 |
AR-831 |
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| Measuring Range 测量范围 |
0.30～15m 10inch～50foot |
0.30～15m 10inch～50foot |
0.30～15m 10inch～50foot |
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| Accuracy测量精确度 |
±1% |
±1% |
±1% |
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| Measure In Imperial/Metric公英制转换 |
√ |
√ |
√ |
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| Dynamic Display动态读数显示 |
√ |
√ |
√ |
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| Laser Pointer Aiming激光定位 |
√ |
√ |
√ |
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| Data Store /Recall 存储/调出数据 |
√ |
____ |
____ |
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| Computer Area And Volume计算面积和体积 |
√ |
√ |
√ |
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| Sum Of Length 计算长度累加 |
√ |
√ |
√ |
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| Auto/Manual Shut-off 自动/手动关机 |
√ |
√ |
√ |
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| LCD BacklightLCD 背光显示 |
√ |
√ |
√ |
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| response Time响应时间 |
2s |
2s |
2s |
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| Measureing Benchmark Setup测量基准设置 |
√ |
√ |
√ |
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| KeySound,Beeps For Wrong ReadingAnd 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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转帐支付：
