GENERAL FEATURES & SPECIFICATIONS |
一般功能和规格 |
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AR-842A |
AR-852A |
AR872D |
TemperatureRange |
-18℃~330℃ |
-18℃~500℃ |
-50℃~1050℃ |
测温范围 |
0~626℉ |
0~932℉ |
0~1922℉ |
Accuracy |
±2%or±2℃ |
±2%or±2℃ |
±2%or±2℃ |
测温精确度 |
℃/℉ Selection |
√ |
√ |
√ |
℃/℉温度单位转换 |
Distance Spot Ratio |
12:1 |
12:1 |
12:1 |
测量距离比率 |
Data Hold Function |
√ |
√ |
√ |
数据保持显示功能 |
Auto Power Shut Off |
√ |
√ |
√ |
自动关机功能 |
Emissivity |
√ |
√ |
√ |
发射率 |
Backlight Display Selection |
√ |
√ |
√ |
背光显示选择功能 |
Laser Target Pointer Selection |
√ |
√ |
√ |
镭射目标显示选择功能 |
Average And Difference Function |
√ |
√ |
√ |
平均值和温差测量功能 |
Max And Min Function |
√ |
√ |
√ |
最大、最小值测量功能 |
High Low Temperature Alarm Setup |
√ |
√ |
√ |
高低温报警设定功能 |
Data Store/Recall Function |
√ |
√ |
√ |
测量数据储存功能(断电记忆) |
Response Time & Wavelengh |
500ms & (8-14)um |
500ms & (8-14)um |
500ms & (8-14)um |
响应时间和响应值长 |
Repeatability |
±1%or±1℃ |
±1%or±1℃ |
±1%or±1℃ |
重复性 |