Extech ExStik II Dissolved Oxygen Meter 0.95 X 3.70 X 7.15 For Thru-Hull Size Inches: 2-1/2

For Thru-Hull Size Inches: 2-1/2

-Disposable gloves

Air Temperature: Range

Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter

With support for up to 100 loggers and a 100-foot line-of-sight range

Extech ExStik II Dissolved Oxygen Meter 0.95 X 3.70 X 7.15 For Thru-Hull Size Inches: 2-1/2Extech ExStik II Dissolved Oxygen Meter DESCRIPTION Obtain and store up to 25 data sets of dissolved oxygen and temperature measurements with this waterproof meter. Oxygen level readings can be displayed as % saturation or concentration (mg L [ppm]), and an analog bar graph indicates trends. The meter also features adjustable altitude compensation (0 to 20,000 ft. in 1,000 ft. increments), self calibration, adjustable salinity compensation from 0 to