GENERAL FEATURES & SPECIFICATIONS | 一般功能和规格 | |
| | | |
| 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**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 | √ | √ | √ |
*大、*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 |
