| 
| GENERAL FEATURES & SPECIFICATIONS |  | 一般功能和规格 |  
|  |  
|  | AR-827 | AR827A | AR-837 |  
| Temperature Measuring Range | -10℃~50℃ | -10℃~50℃ | -10℃~50℃ |  
| 温度测量范围 |  
| humidity Measuring Range | 10%RH-99%RH | 10%RH-99%RH | 5%RH-98%RH |  
| 湿度测量范围 |  
| ℃/℉ Selection | √ | √ | √ |  
| ℃/℉温度单位转换 |  
| Accuracy of temperature | ±1℃ | ±1℃ | ±1℃ |  
| 温度测量误差 |  
| Accuracy of humidity | ±3%(30-95%) | ±3%(30-95%) | ±3%(30-95%) |  
| 湿度测量误差 | ±5%(10-30%) | ±5%(10-30%) | ±5%(10-30%) |  
| Auto /ManualPower Off | √ | √ | √ |  
| 自动/手动关机功能 |  
| Low Battery Indication | √ | √ | √ |  
| 低电显示功能 |  
| Data Hold | √ | √ | √ |  
| 数据保持功能 |  
| Temperature Resolution | 0.1℃ | 0.1℃ | 0.1℃ |  
| 温度解析度 |  
| Humidity Resolution | 0.1%RH | 0.1%RH | 0.1%RH |  
| 湿度解析度 |  
| Sampling Rate | 2times/sec | 2times/sec | 2.5times/sec |  
| 取样频率 |  
| Temperature & Humidity Alarm Setup | _____ | √ | √ |  
| 温湿度报警设置功能 |  
| Max/Min Measurement | _____ | √ | √ |  
| 最大/最小测试功能 |  
| Average Measurement | _____ | √ | _____ |  
| 平均值测试功能 |  
| Large LCD Dual Display | _____ | _____ | √ |  
| 大LCD双显示 |  | 
|  | 
| 
| 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 | 48.3*30mm | 48.3*30mm | 48.3*30mm |  
| LCD尺寸 |  
| Product Color | Ivory | Ivory | Ivory |  
| 产品颜色 | 象牙白 | 象牙白 | 象牙白 |  
| Product Net Weight | 194g | 194g | 194g |  
| 产品净重 |  
| Product Size | 207*70*29mm | 207*70*29mm | 207*70*29mm |  
| 产品尺寸 |  | 
|  | 
| 
| PACKING INFORMATION |  | 包装 |  
| 包装方式1(中国) | 彩盒包装 | 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*45.0*32.5cm | 55.0*45.0*32.5cm |  
| 标准外箱毛重 | 14.5kg | 14.5kg | 14.5kg |  
| 包装方式2(Other Countries) | Blister | Blister | Blister |  
| Standard Quantity Per Carton | 40 | 40 | 40 |  
| Standard Carton Size | 38.0*36.0*33.0cm | 38.0*36.0*33.0cm | 38.0*36.0*33.0cm |  
| Standard Carton Gross Weight | 10.64kg | 10.64kg | 10.64kg |  |