AR-842A | AR-852A | AR-872S |
TemperatureRange | -18℃~330℃ | -18℃~500℃ | -18℃~1050℃ |
測溫范圍 | 0~626℉ | 0~932℉ | 0~1922℉ |
Accuracy | ±2%or±2℃ | ±2%or±2℃ | ±2%or±2℃ |
測溫精確度 |
℃/℉ Selection | √ | √ | √ |
℃/℉溫度單位轉換 |
Distance Spot Ratio | 12:1 | 12:1 | 12:1 |
測量距離比率 |
Data Hold Function | √ | √ | √ |
數據保持顯示功能 |
Auto Power Shut Off | √ | √ | √ |
自動關機功能 |
Emissivity | √ | √ | √ |
發射率 |
Backlight Display Selection | √ | √ | √ |
背光顯示選擇功能 |
Laser Target Pointer Selection | √ | √ | √ |
鐳射目標顯示選擇功能 |
Average And Difference Function | √ | √ | √ |
平均值和溫差測量功能 |
Max And Min Function | √ | √ | √ |
zui大、zui小值測量功能 |
High Low Temperature Alarm Setup | √ | √ | √ |
高低溫報警設定功能 |
Data Store/Recall Function | √ | √ | √ |
測量數據儲存功能(斷電記憶) |
Response Time & Wavelengh | 500ms & (8-14)um | 500ms & (8-14)um | 500ms & (8-14)um |
響應時間和響應值長 |
Repeatability | ±1%or±1℃ | ±1%or±1℃ | ±1%or±1℃ |
重復性 |