à·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇÑ´áÅкѹ·Ö¡ Thermometer >EasyView™ Hygro-Thermometer/ Datalogger à·ÍÃìâÁÁÔàµÍÃì EA25 EasyView™ Hygro-Thermometer/ Datalogger à·ÍÃìâÁÁÔàµÍÃì EA25 ¤Ø³ÅѡɳТͧ à·ÍÃìâÁÁÔàµÍÃì EasyView™ Hygro-Thermometer/ Datalogger à·ÍÃìâÁÁÔàµÍÃì EA25 Dual display of RH, Temperature, Dew Point and Wet Bulb Large LCD displays any two parameters simultaneously Data Hold, Relative, Min/Max Programmable power off timer EA25 additional features: Datalogging function stores up to 99 manual readings for display recall or up to 15,000 readings for PC download Programmable Start/Stop datalogging time and sample rate of 1 to 86,000 seconds Specifications (Range, Resolution, Basic Accuracy): Humidity: 10% to 95%, 0.1%, (+/-3% for 30-95%)(+/-5% for 10-30%) Temperature: -4 to 140 Deg. F (-20 to 60 Deg. C), 0.1 Deg., +/-0.9 Deg. F(0.5 Deg. C) Dimensions: 5.9x2.8x1.4" (150x72x35mm) Weight: 8.3oz (235g) EA25 Extech Hygrometer Temperature Thermo-Hygrometer à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ áºº¾¡¾Ò