| 非接触式红外线测温仪 |
| non-contact infrared thermometer |
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| general features & specifications | 一般功能和规格 |
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| | ar-862a | ar-872 | ar-882 |
| temperature range | -18℃～850℃ | -18℃～1250℃ | -18℃～1500℃ |
| 测温范围 | 0～1568℉ | 0～2282℉ | 0～2732℉ |
| accuracy | ±2%or±2℃ | ±2%or±2℃ | ±2%or±2℃ |
| 测温度 |
| ℃/℉ se-lection | √ | √ | √ |
| ℃/℉温度单位转换 |
| distance spot ratio | 8：1 | 30：1 | 50：1 |
| 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 | 0.95pre-set | 0.1~0.99（可调） | 0.1~0.99（可调） |
| 发射率 |
| backlight display se-lection | √ | √ | √ |
| 背光显示选择功能 |
| laser target pointer se-lection | √ | √ | √ |
| 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 | √ | √ | √ |
| Z大、Z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 |
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| general characteristics | 一般特征 |
| power | 9v alkaline battery | 9v alkaline battery | 9v alkaline battery | | 供电 | 9v碱性电池 | 9v碱性电池 | 9v碱性电池 | | lcd size | 37＊35mm | 50＊37mm | 50＊37mm | | lcd尺寸 | | product color | yellow+black | yellow+black | red+black | | 产品颜色 | 黄+黑 | 黄+黑 | 红+黑 | | product net weight | 210g | 300g | 300g | | 产品净重 | | product size | 175＊100＊49mm | 200＊138＊57mm | 200＊138＊57mm | | 产品尺寸 | | | |
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| packing information | 包装 |
| 包装方式1（中国） | 吸塑皮套包装 | 彩盒包装 | 彩盒包装 |
| 标准外箱容量 | 20 | 20 | 20 |
| 标准外箱尺寸 | 55.0＊45.0＊32.5cm | 55.0＊43.0＊47.0cm | 55.0＊43.0＊47.0cm |
| 标准外箱毛重 | 14.7kg | 16.8kg | 16.8kg |
| 包装方式2（other countries） | blister | gift box | gift box | | standard quantity per carton | 40 | 20 | 20 | | standard carton size | 62.0＊44.2＊28.0cm | 55.0＊43.0＊47.0cm | 55.0＊43.0＊47.0cm | | standard carton gross weight | 8.41kg | 16.8kg | 16.8kg | |
