Datalogger à¤Ã×èͧÇÑ´áÅкѹ·Ö¡¢éÍÁÙÅ > DO Meter à¤Ã×èͧÇÑ´ÍÍ¡«Ôਹ ã¹¹éÓ Dissolved Oxygen Meter Dissolved Oxygen Meter SDL150: Dissolved Oxygen Meter/Datalogger 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 • 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 Specification: Specifications Dissolved Oxygen Oxygen Temperature Range: 0 to 20.0 mg/L 0 to 100.0% 32 to 122°F (0 to 50°C) Accuracy: ±0.4 mg/L ±0.7% ±0.8°C/1.5°F Probe Compensation & Adjustmen: Salt: 0 to 50% Altitude: 0 to 8910m Temp: 0 to 50°C Dimensions/Weight: 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm) / 25.6oz(725g) (meter only) Probe: 28mm(1.1")D x 190mm(7.5")L Datalogger Dissolved Oxygen DO Meter Extech SD Card SDL150 Water Quality Meter à¤Ã×èͧÇÑ´¤Ø³ÀÒ¾¹éÓ à¤Ã×èͧÇÑ´¤èÒ DO à¤Ã×èͧÇÑ´»ÃÔÁÒ³ÍÍ¡«Ôਹ㹹éÓ à¤Ã×èͧÇÑ´áÅкѹ·Ö¡¢éÍÁÙÅ