GENERAL FEATURES & SPECIFICATIONS |
一般功能和規格 |
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AR-842A |
AR-852A |
AR872D |
TemperatureRange |
-18℃~330℃ |
-18℃~500℃ |
-50℃~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(dòng)關(guān)機功能 |
Emissivity |
√ |
√ |
√ |
發(fā)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(shí)間和響應值長(cháng) |
Repeatability |
±1%or±1℃ |
±1%or±1℃ |
±1%or±1℃ |
重復性 |