à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇÑ´áÅкѹ·Ö¡ Thermometer Temperature meter data logger > MicroLog EC650 EC600 EC650 EC700 EC750 Sampling resolution 8 bit 10 bit Internal Range -30°C to 50°C -30°C to 50°C (T) 0 to 100% (RH) -40 to +80°C 40 to 80°C 0 to 100% (RH) Temperature Accuracy ±0.6°C ±0.2°C Humidity Accuracy N/A ±3% N/A ±3% Resolution 0.5°C (-30°C to -29°C) 0.4°C (-28°C to -22°C) 0.3°C (-21°C to 22°C) 0.4°C (23°C to 32°C) 0.5°C (33°C to 39°C) 0.5% 0.2°C (-40°C to -20°C) 0.1°C (-21°C to 50°C) 0.2°C (51°C to 80°C) 0.1% Memory capacity 1 sensor - 16000 samples 2 sensors - 8000 samples 3 sensors - 5312 samples 1 sensor - 52000 samples 2 sensors - 26000 samples 3 sensors -16000 samples Sampling Rate Minimum - 1 per 10 seconds Maximum - 1 per 2 hours Output: LCD Two digit, 7-segments LCD Four digits, 7-segments LCD with decimal point LCD Units Icons °C, °F, %RH, Ext °C, °F, %RH, pH, V, mA, mS, AL-H, AL-L RS-232 Cable connection to the PC with 19200 kbps USB - optional N/A N/A USB 1.1 Option for quantities over 200 units with low water & dust protection USB 1.1 Coming soon Infrared Printout Minimum, maximum and duration up to 30 days Wireless report to portable thermal printer HP82240B Minimum, maximum and duration up to 30 days OR Real-time data printout up to 128 last values OR Wireless report to portable thermal printer HP82240B Power Supply Internal Lithium battery 3.6V, 1/2AA, 1.2AH Battery Life Approximately 24 month (May vary with number of sensors connected and the sampling rate settings) Dimensions 72mm diameter, 22.9mm thickness Weight 55g 55g à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì à¤Ã×èͧÁ×ÍÇÑ´ à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ à¤Ã×èͧÇÑ´áÅкѹ·Ö¡ Thermometer Temperature meter data logger > MicroLog EC650