D:S*: 12:1  
温度范围：-25 °~-999℉（-32 °~-535℃）
重复性：± 0.5％
精度：± 2℉（± 1℃）
尺寸：5-2/5“× 1-3/5”× 7-7/10“（13.7 x 4.1 ×19.6cm）

这种仪器采用红外技术，可以近距离从各种材料表面测试读取温度。使用：放在材料表面，扣动扳机，从液晶显示屏上选择读F或者°C，读取数据。适用于有害的，过热的，难以接触到得没污染性的，或者是容易破坏表面的一些材料的温度测量。

D:S*: 12:1
Temperature Range: -25°-999° F （-32°-535° C）
Repeatability: ±0.5%
Accuracy: ±2° F （±1° C）
Dimensions: 5-2/5" x 1-3/5" x 7-7/10" （13.7 x 4.1 x 19.6 cm）

By using infrared technology, this thermometer can read the surface temperature of various materials up close or from a distance. To use, aim at the surface, pull the trigger, ａnd read the temperature on the large, backlit LCD display, selecting either °F or °C. Safely measure hot, hazardous, or hard-to-reach materials without contaminating or damaging the material’s surface. NIST/DKD certification is available for this unit, call Nasco for details.

*D:S – distance to spot size （divide the distance to the surface being read, by the first number “D”, that equals the diameter of the spot size “S” that is read）.