Dissolved Oxygen Meter with 9 Parameters (Portable)




GAOTek Digital manometer with USB interface measures pressure up to  10PSI with built-in low range and high range error indicator.

Key Features

  • Standard portable dissolved oxygen meter is equipped with a large backlit LCD display.
  • 1 or 2 points calibration using the air-saturated water and zero oxygen solution.
  • Manual salinity and barometric pressure compensation improve the measurement accuracy.
  • Automatic Temperature Compensation ensures accurate reading over the entire range.
  • Calibration Due Reminder prompts user to calibrate the meter regularly.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable measured value for easy viewing and recording.
  • Manual temperature calibration improves the measurement accuracy of meter.
  • Selectable temperature unit (°C or °F) meets different application requirements.
  • Help message as a operational guide that helps you quickly begin using the meter.
  • System menu allows setting the 9 parameters, including the number of calibration points,
    resolution, stability condition, concentration unit, etc.
  • Reset feature automatically resumes all parameters back to factory default settings.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps stored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.
  • Multi-mode power scheme (battery, power adapter, computer’s USB port) ensures that use
    the meter smoothly.

Technical Specifications

Dissolved Oxygen
Range 0.00~20.00mg/L (or ppm)
Accuracy ±0.2mg/L
Resolution 0.01mg/L
Calibration Points 1 or 2 points
Temperature Compensation 0~50°C, 32~122°F, Automatic
Pressure Correction 60.0~112.5kPa, 450~850mmHg
Salinity Correction 0~50g/L
% Saturation of Oxygen
Range 0.0~200.0%
Accuracy ±2.0%
Resolution 0.1, 1%
Hold Function Manual or Automatic
Stability Conditions Low or High
Calibration Due 0 to 31 days
Power Off Manual or Automatic (10, 20, 30 minutes)
Reset Function Yes
Memory Stores up to 500 data sets
Output USB Communication Interface
Connector 6-pin Mini Plug
Power Requirements 3×1.5V “AA” Batteries
Battery Life Approximately 150 hours (Turn off the backlit)
Dimensions   6.69in x 3.35in x 1.18in


Weight  0.66lbs  (300g)


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