| GENERAL FEATURES & SPECIFICATIONS |
一般功能和規格 |
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AR-842A |
AR-852A |
AR-872S |
| TemperatureRange |
-18℃～330℃ |
-18℃～500℃ |
-18℃～1050℃ |
| 測溫范圍 |
0～626℉ |
0～932℉ |
0～1922℉ |
| Accuracy |
±2%or±2℃ |
±2%or±2℃ |
±2%or±2℃ |
| 測溫精確度 |
| ℃/℉ Selection |
√ |
√ |
√ |
| ℃/℉溫度單位轉換 |
| Distance Spot Ratio |
12:1 |
12:1 |
12:1 |
| 測量距離比率 |
| Data Hold Function |
√ |
√ |
√ |
| 數據保持顯示功能 |
| Auto Power Shut Off |
√ |
√ |
√ |
| 自動關機功能 |
| Emissivity |
√ |
√ |
√ |
| 發射率 |
| Backlight Display Selection |
√ |
√ |
√ |
| 背光顯示選擇功能 |
| Laser Target Pointer Selection |
√ |
√ |
√ |
| 鐳射目標顯示選擇功能 |
| Average And Difference Function |
√ |
√ |
√ |
| 平均值和溫差測量功能 |
| Max And Min Function |
√ |
√ |
√ |
| 最大、最小值測量功能 |
| High Low Temperature Alarm Setup |
√ |
√ |
√ |
| 高低溫報警設定功能 |
| Data Store/Recall Function |
√ |
√ |
√ |
| 測量數據儲存功能（斷電記憶） |
| Response Time & Wavelengh |
500ms & (8-14)um |
500ms & (8-14)um |
500ms & (8-14)um |
| 響應時間和響應值長 |
| Repeatability |
±1%or±1℃ |
±1%or±1℃ |
±1%or±1℃ |
| 重復性 |
