à¤Ã×èͧÇÑ´ÍÍ¡«Ôਹ ã¹¹éÓ Dissolved Oxygen DO Meter ´ÕâÍ ÁÔàµÍÃì ºèÍ¡Øé§ ¹Ò¡Øé§ ã¹¤Åͧ ¹éÓàÊÕ ·ÐàÅ > DO Meter à¤Ã×èͧÇÑ´ÍÍ¡«Ôਹ ã¹¹éÓ Dissolved Oxygen Meter Dissolved Oxygen Meter SDL150: Dissolved Oxygen Meter/Datalogger Records data on an SD card in Excel® format Features: Dual backlit display of Oxygen Concentration and Temperature Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C) Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe Offset adjustment used for zero function to make relative measurements 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, probe, two spare replacement membranes, electrolyte, and hard carrying case For complete specs please download the product datasheet (not available for some accessories) à¤Ã×èͧÇÑ´ÍÍ¡«Ôਹ ã¹¹éÓ Dissolved Oxygen DO Meter ´ÕâÍ ÁÔàµÍÃì ºèÍ¡Øé§ ¹Ò¡Øé§ ã¹¤Åͧ ¹éÓàÊÕ ·ÐàÅ > DO Meter à¤Ã×èͧÇÑ´ÍÍ¡«Ôਹ ã¹¹éÓ Dissolved Oxygen Meter Dissolved Oxygen Meter SDL150: Dissolved Oxygen Meter/Datalogger