APHS series Dissoved Oxygen Meter

High accuracy benchtop dissolved oxygen meter, 1 or 2 points calibration,manual salinity and barometric pressurecorrection. The meter contains 9optional parameters. Accuracy : 0.2mg/L



  • High accuracy benchtop dissolved oxygen meter is equipped with a large LCD display.
  • 1 or 2 points calibration using airsaturated water and zero oxygen  solutions.
  • Manual salinity and barometric pressure compensation improve the measurement accuracy.
  • Automatic Temperature compensation ensure accurate reading over the entire range.
  • Calibration Due Reminder prompts user to calibrate the meter regularty.
  • Stability indicator automatically shows current measurement status.
  • Auto-Hold function freezes stable reading for easy viewing and recording.
  • Selectable temperature unit (ºC or ºF)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 options.
  • Expanded memory stores and recalls up to 500 readings.
  • Built-in real-time clock stamps sored data to meet GLP standard.
  • Stored data can be transferred into computer by USB communication interface.

Dissolved Oxygen APHS 980
Range 0.00 ~ 20.00mg/L
Accuracy ±0.2mg/L
Resolution 0.01mg/L
Calibration Points 1 or 2 points
Temperature Compensation 0~50ºC, 32~122ºF Automatic
Pressure correction 60.0~112.5kPa, 450~850mmHg
Salinity Correction 5~50g/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, 30minutes)
Reset Function Yes
Memory Stores up to 500 data sets
Output USB Communication Interface
Connector 6-pin Mini Plug
Display LCD (130 x 110mm)
Power Requirements DC5V, using AC adapter, 230 Vac, ± 20%, 50-60Hz
Dimensions (LxWxH) 210 x 188 x 60mm
Weight Approx. 1.5 kg

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