| |
AR-842A |
AR-852A |
AR-872S |
|
TemperatureRange |
-18℃～330℃ |
-18℃～500℃ |
-18℃～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 |
