SDL150 - Dissolved Oxygen Meter/DataloggerApplicationsRecords 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 • Records readings with real date and time stamp • User programmable sampling rate: 1 second to 8hrs:59min:59sec • Min/Max and Data Hold functions • Auto power off with disable function • Built-in PC interface • Complete with 6 x AA batteries, SD card, probe, two spare replacement membranes, electrolyte, and hard carrying case