à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇѴẺäÁèÊÑÁ¼ÑÊ IR Thermometer ÍÔ¹¿ÃÒàô > ÊÑÁ¼ÑÊ IR Thermometer ÍÔ¹¿ÃÒàô IR-66 / IR66 Pocket InfraRed Thermometers ªèǧÇÑ´ -35℃ to 230℃/-31℉ to 446℉ ¤ÇÒÁÅÐàÍÕ´ 0.1℃/℉ ªèǧÇÑ´ 1:1 Distance to Spot size IR-66 Pocket Infrared Thermometers are new models design with lowest cost. Check all types of A/C and heating systems. Monitor performance of appliances such as refrigerator, dishwasher, freezer and oven. Ensure proper cooking, grilling and storage temperatures. 1:1 distance to spot size ratio Easy to use: hold it within two feet of area to be measured and push the button Large LCD screen shows readings in Fahrenheit or Celsius range temperature measurements from -35℃to 230℃/-31℉to 446℉ Auto Power Off Specifications Range -35℃ to 230℃/-31℉ to 446℉ Response Time Less than 1 second Resolution 0.1℃/℉ Basic Accuracy ± 2% of reading or ± 2 ℃ / ± 4 ℉ Optical Resolution 1:1 Distance to Spot size Emissivity Fixed at 0.95 Battery One CR2032 button battery à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇѴẺäÁèÊÑÁ¼ÑÊ IR Thermometer ÍÔ¹¿ÃÒàô > ÊÑÁ¼ÑÊ IR Thermometer ÍÔ¹¿ÃÒàô IR-66 / IR66 Pocket InfraRed