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GENERAL FEATURES & SPECIFICATIONS |
一般功能和规格 |
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AR-842A |
AR-852A |
AR-872S |
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TemperatureRange |
-18℃~330℃ |
-18℃~500℃ |
-18℃~1050℃ |
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测温范围 |
0~626℉ |
0~932℉ |
0~1922℉ |
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Accuracy |
±2%or±2℃ |
±2%or±2℃ |
±2%or±2℃ |
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测温度 |
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℃/℉ Selection |
√ |
√ |
√ |
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℃/℉温度单位转换 |
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Distance Spot Ratio |
12:1 |
12:1 |
12:1 |
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测量距离比率 |
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Data Hold Function |
√ |
√ |
√ |
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数据保持显示功能 |
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Auto Power Shut Off |
√ |
√ |
√ |
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自动关机功能 |
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Emissivity |
√ |
√ |
√ |
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发射率 |
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Backlight Display Selection |
√ |
√ |
√ |
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背光显示选择功能 |
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Laser Target Pointer Selection |
√ |
√ |
√ |
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镭射目标显示选择功能 |
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Average And Difference Function |
√ |
√ |
√ |
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平均值和温差测量功能 |
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Max And Min Function |
√ |
√ |
√ |
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、小值测量功能 |
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High Low Temperature Alarm Setup |
√ |
√ |
√ |
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高低温报警设定功能 |
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Data Store/Recall Function |
√ |
√ |
√ |
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测量数据储存功能(断电记忆) |
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Response Time & Wavelengh |
500ms & (8-14)um |
500ms & (8-14)um |
500ms & (8-14)um |
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响应时间和响应值长 |
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Repeatability |
±1%or±1℃ |
±1%or±1℃ |
±1%or±1℃ |
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重复性 |