à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇÑ´áÅкѹ·Ö¡ Thermometer > à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ (IN/OUT) Big Digit Hygro-Thermometer 445713 à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ (IN/OUT) Big Digit Hygro-Thermometer 445713 Big Digit Indoor/Outdoor Hygro-Thermometer Simultaneous display of Temperature/Humidity Max/Min with "reset" function Humidity: 10 to 99% RH Temperature: 14 to 140°F or -10 to 60°C Accuracy: ±5%RH; ±1.8°F, ±1°C 445703 445713 445715 Humidity range 10 to 99%RH 10 to 99% RH 10 to 99% RH Basic RH accuracy 5% (25 to 85%) 5% (25 to 85%) 4% (25 to 85%) Temperature range 14 to 140F (-10 to 60C) 14 to 140F (-10 to 60C) 14 to 140F (-10 to 60C) Basic Temperature Accuracy 1.8F/1C (14 to 122F) 1.8F/1C (14 to 122F) 1.8F/1C (14 to 122F) Dimensions 4.3x3.9x0.78(109x99x20mm) " Weight 6 oz (169g) 445713 Extech Hygrometer Temperature Thermo-Hygrometer à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ ¤ÇÒÁª×é¹