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 VIR50: Dual Laser IR Video Thermometer VIR50: Dual Laser IR Video Thermometer 2.2" Color TFT LCD Display and Built-in Camera Features: Built-in VGA (640 x 480) Camera MicroSD card for capturing images (JPEG) and video (3GP) for viewing on your PC Dual laser indicates ideal measuring distance where the two laser points converge to a 1" target spot Fast 150 millisecond response time, color LED bargraph for viewing trends Type K Thermocouple input Air Temperature and Relative Humidity measurement Adjustable emissivity increases measurement accuracy for different surfaces Adjustable High/Low set points with audible alarm alerts user when temperature exceeds the programmed set points MAX/MIN/AVG/DIF functions, Auto Power Off USB interface Complete with microSD card, general purpose Type K bead wire probe, USB cable, rechargeable 3.7V battery, and carrying case For complete specs please download the product datasheet (not available for some accessories) Extech Infrared thermometer IR Thermometer VIR50 ÍÔ¹¿Òàôà·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÇÑ´ÍسËÀÙÁÔẺÍÔ¹¿Òàô