à¤Ã×èͧÇÑ´ÍسËÀÙÁÔẺäÁèÊÑÁ¼ÑÊ Infrared Thermometer > à¤Ã×èͧÇÑ´ÍسËÀÙÁÔẺäÁèÊÑÁ¼ÑÊ ÍÔ¹¿ÃÒàôà·ÍÃìâÁÁÔàµÍÃì > à¤Ã×èͧÇÑ´ÍسËÀÙÁÔẺäÁèÊÑÁ¼ÑÊ 42570: Temperature range: -58 to 3992°F (-50 to 2200°C) ªÇ§ÇÑ´ÊÙ§ÊØ´ 2,200C 42570: Dual Laser InfraRed Thermometer Wide Range IR Thermometer with Type K Input and USB interface Features: High 50:1 distance to target ratio measures smaller surface areas at greater distances Dual Laser Targeting indicates ideal measuring distance when two laser points converge to 1" target spot IR Temperature range: -58 to 3992°F (-50 to 2200°C) Type K thermocouple input from -58 to 2498°F (-50 to 1370°C) White backlit multifunction LCD display with bargraph Fast 100 millisecond response time MAX/MIN/AVG/DIF feature displays highest, lowest, average, and MAX minus Min values 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 USB interface Double molded housing Complete with Type K Temperature probe, USB cable and software, carrying case and 9V battery Specifications :42570 Laser Convergence Distance 50" (127cm) IR Range -58 to 3992°F (-50 to 2200°C) Repeatability ±0.5% or 1.8°F/1°C Basic Accuracy ±(1% of rdg + 2°F/1°C) Max resolution 0.1°F/°C Emissivity 0.10 to 1.00 Adjustable Field of View (Distance to Target) 50:1 Type K Range -58 to 2498°F (-50 to 1370°C) Memory Manually Store/Recall 100 readings Dimensions 8x6.1x2" (204x155x52mm) Weight 11.3oz (320g) 42570 Dual laser Extech IR Thermometer Thermometer à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ