Waterproof Dissolved Oxygen Meter

• Easy to replace screw-on membrane cap with optional extension cables.
• Oxygen level displayed as % Saturation (0 to 200.0%) or Concentration (0 to 20.00 mg/L [ppm]).
• Adjustable altitude compensation (0 to 20,000 ft. in 1,000 ft. increments).
• Adjustable salinity compensation from 0 to 50 ppt.
• Auto temperature compensation.
• Accuracy ±2.0% FS, 0.4 ppm (mg/L), ±1°C/1.8°F.
• Analog bargraph indicates trends.
• Memory stores up to 25 data sets with DO and Temperature reading (0 to 50°C).
• Self calibration on power up.
• Data hold, auto power off, low battery indicator.
• Waterproof to IP67 and floats.
• Complete with DO electrode, protective sensor cap, spare membrane cap, electrolyte, four 1.5V batteries and 1.2 m neck strap.