| GENERAL FEATURES & SPECIFICATIONS | 一般功能和规格 | 
|  | 
|  | 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℃ | 
| 测温精确度 | 
| ℃/℉ Selection | √ | √ | √ | 
| ℃/℉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 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 | 
|  | 
|  |  |  |  | 
|  |  |  |  | 
|  |  |  |  | 
| 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 |  
|  |  | 
|  |  |  |  | 
|  |  |  |  | 
| 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 |  |