红外测温仪AR802/AR842/AR852
AR802 | AR-842 | AR-852 |
|
| Temperature Range | -18℃～280℃ | -18℃～330℃ | -18℃～500℃ |
| 测温范围 | 0～536℉ | 0～626℉ | 0～932℉ |
| 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 | 8:1 | 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 |
| Low Battery Indication | √ | √ | √ |
| 低电显示功能 |
| 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 |
| Emissivity | 0.95 | 0.95 | 0.95 |
| 发射率 |
| 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℃ |
|
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