| 型号 |
AR-842A |
AR-852A |
AR-862A |
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| TemperatureRange测温范围 |
-18℃～330℃ 0℉～626℉ |
-18℃～500℃ 0℉ ～932℉ |
-18℃～850℃ 0℉～1562℉ |
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| Accuracy 测温精确度 |
±2%or±2℃ |
±2%or±2℃ |
±2%or±2℃ |
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| ℃/℉ Selec℃/℉温度单位转换 tion |
√ |
√ |
√ |
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| Distance Spot Ratio测量距离比率 |
12:1 |
12:1 |
12:1 |
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| Data Hold Function 数据保持显示功能 |
√ |
√ |
√ |
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| Auto Power Shut Off自动关机功能 |
√ |
√ |
√ |
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| Emissivity发射率 |
√ |
√ |
√ |
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| Backlight Display Selection背光显示选择功能 |
√ |
√ |
√ |
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| Laser Target Pointer Selection镭射目标显示选择功能 |
√ |
√ |
√ |
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| Average And Difference Function 平均值和温差测量功能 |
√ |
√ |
√ |
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| Max And Min Functionz大、最小值测量功能 |
√ |
√ |
√ |
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| High Low Temperature Alarm Setup 高低温报警设定功能 |
√ |
√ |
√ |
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| Data Store/Recall Function测量数据储存功能（断电记忆） |
√ |
√ |
√ |
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| Response Time & Wavelengh 响应时间和响应值长 |
500ms & (8-14)um |
500ms & (8-14)um |
500ms & (8-14)um |
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| Repeatability重复性 |
±1%or±1℃ |
±1%or±1℃ |
±1%or±1℃ |
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