pH Meter Water Quality Meter à¤Ã×èͧÇÑ´¤èÒ¾Õ-àͪ à¤ÃÕèͧÇÑ´¡Ã´´èÒ§ à¤Ã×èͧÇÑ´¤Ø³ÀÒ¾¹éÓ à¤Ã×èÍÇÑ´¤ÇÒÁà»ç¹¡Ã´ ´èÒ§ PH meter > à¤Ã×èͧÇÑ´¡Ã´´èÒ§ ¾Õàͪ ÁÔàµÍÃì PH meter SDL100: pH/ORP/Temperature Datalogger Records data on an SD card in Excel® format Features: Dual display of pH or mV and Temperature ATC or manual Temperature compensation 3 point calibration ensures the best linearity and accuracy Large backlit dual LCD Stores 99 readings manually and 20M readings via 2G SD card User programmable sampling rate Built-in PC interface Min/Max and Data Hold functions, Auto power off Complete with 6 x AA batteries, SD card, hard carrying case, sample buffers, mini pH electrode (60120B), and Thermistor temperature probe (850188) For complete specs please download the product datasheet (not available for some accessories) pH Meter Water Quality Meter à¤Ã×èͧÇÑ´¤èÒ¾Õ-àͪ à¤ÃÕèͧÇÑ´¡Ã´´èÒ§ à¤Ã×èͧÇÑ´¤Ø³ÀÒ¾¹éÓ à¤Ã×èÍÇÑ´¤ÇÒÁà»ç¹¡Ã´ ´èÒ§ PH meter > à¤Ã×èͧÇÑ´¡Ã´´èÒ§ ¾Õàͪ ÁÔàµÍÃì PH meter SDL100: pH/ORP/Temperature Datalogger