Anemometer Air Velocity Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´ÅÁ CFM CMM Meter Flow Meter à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ »ÃÔÁÒ³ÅÁ CFM/CMM > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áÅÐÍسËÀÙÁÔ > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áʧ ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ EN300: Hygro-Thermo-Anemometer-Light-Sound Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áʧ ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ EN300: Hygro-Thermo-Anemometer-Light-Sound Meter EN300: Hygro-Thermo-Anemometer-Light-Sound Meter Measures Humidity, Temperature, Air Velocity, Light and Sound Features: Rugged 5-in-1 environmental meter with tripod mount and RS-232 PC interface Large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light-Sound Mode Data Hold, Min/Max, Auto power off, Low Battery/Overrange indication Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots Built-in precision thin-film capacitance humidity sensor for fast response Built in thermistor for ambient temperature measurements Type K input measures temperature to 2372° (1300°C) Utilizes precision photo diode and correction filter for Cosine and color corrected light measurements Sound Level measurement meets IEC 61672 class 2 using A frequency weighting and fast response time Complete with Type K thermocouple probe, pouch case, and six 1.5V AAA batteries For complete specs please download the product datasheet (not available for some accessories) Anemometer Air Velocity Meter à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´ÅÁ CFM CMM Meter Flow Meter à¤Ã×èͧÇÑ´»ÃÔÁÒµÃÅÁ »ÃÔÁÒ³ÅÁ CFM/CMM > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áÅÐÍسËÀÙÁÔ > à¤Ã×èͧÇÑ´¤ÇÒÁàÃçÇÅÁ áʧ ÍسËÀÙÁÔ ¤ÇÒÁª×é¹ EN300: Hygro-Thermo-Anemometer-Light-Sound Meter