à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇѴẺäÁèÊÑÁ¼ÑÊ IR Thermometer ÍÔ¹¿ÃÒàô > IR Thermometer ÍÔ¹¿ÃÒàô > HD200: Differential Thermometer Datalogger + IR Thermometer à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ Êͺ¶ÒÁÃÒ¤Ò HD200: Differential Thermometer Datalogger + IR Thermometer Thermometer with differential Type K and non-contact IR temperature measurements Features: Type K temperature range: -328 to 2501ºF (-200 to 1372ºC) IR temperature range: -22 to 1022ºF (-30 to 550ºC) Datalogs up to 18,000 readings on each channel Display [T1, T2, T3(IR)] or [T1-T2] or [T1-T3] or [T2-T3] Differential T1-T2 display for HVAC/Superheat measurements Heavy Duty rugged double molded housing MAX/MIN/AVG and Data Hold IR Thermometer probe (8:1) to measure non-contact surface Temperature up to 1022°F (550°C); Triple LCD display (when IR probe is plugged in) USB port (PC software and USB cable included) Extech HD200 Infrared thermometer IR Thermometer ÍÔ¹¿Òàôà·ÍÃìâÁÁÔàµÍÃì à¤Ã×èͧÇÑ´ÍسËÀÙÁÔẺÍÔ¹¿Òàô