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GAOTek Quality Monitoring Water DO Sensor

GAOTek Portable Water Quality Analyzer

The Portable water quality analyzer contains 5 measurement modes, it is suitable for measuring the conductivity, TDS, salinity, resistivity, DO.

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SKU: GAOTek-HWQT-201 Category:
Description

Description

Features

  • Equipped with a backlit LCD 
  • 1 to 5 points push button calibration, automatically recognizes calibration solutions 
  • Selectable cell constant (K=0.1 or 1 or 10), TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes 
  • 1 or 2 points calibration using air saturated water or zero oxygen solution 
  • Salinity and barometric pressure compensations ensure reliable DO measurements 
  • Automatic temperature compensation provides accurate reading over the entire range 
  • Calibration due alarm prompts user to calibrate the meter regularly 
  •  Stability indicator shows when a measurement is recognized as stable 
  • Auto hold feature senses and locks the measurement endpoint 
  • Calibration report provides details for checking the electrode performance 
  • Battery indicator shows the remaining battery capacity 
  • Auto power off effectively conserves battery life 
  • Setup menu allows setting the 13 parameters 
  • Reset feature automatically resumes all settings back to factory default options 
  • Expanded memory stores and recalls up to 500 data sets 
  • Stored readings can be transferred into the computer by USB communication interface 
  • Multi mode power scheme ensures that use the meter smoothly 

 

Technical Specifications

   Range 0.01 to 20.00, 200.0, 2000 µS per cm, 20.00, 200.0 mS per cm 
   Accuracy ± 0.5 % F.S 
   Resolution 0.001, 0.01, 0.1, 1 
   Calibration Points 1 to 5 points 
   Calibration Solutions 10 µS per cm, 84 µS per cm,1413 µS per cm,12.88 mS per cm, 111.8 mS per cm 
   Compensation Modes Linear or Pure water 
   Cell Constant K=0.1, 1, 10 or Custom 
   Range 0 ppm to 10.00 ppm, 100.0 ppm, 1000 ppm, 10.00 ppt, 100.0 ppt (Max. 200 ppt) 
   Accuracy ± 1 % F.S 
   Resolution 0.01, 0.1, 1 
   TDS Factor
Salinity		 0.1 to 1.0 (Default 0.5) 
   Range 0.00 ppt to 80.00 ppt, 0.00 psu to 42.00 psu 
   Accuracy ± 1 % F.S 
   Resolution 0.01 
  Measurement Modes
Resistivity		 Practical salinity (psu) or Natural seawater (ppt) 
   Range 0.00 MΩ to 20.00 MΩ 
   Accuracy ± 1 % F.S 
   Resolution 0.01, 0.1, 1 
   Dissolved Oxygen
DO Range		 0.00 mg per l to 20.00 mg per l 
   Accuracy ± 0.2 mg per l 
   Resolution 0.1, 0.01 mg per l, selectable 
   % Saturation of Oxygen 0.0 % to 200.0 % 
   Accuracy ± 2.0 % 
   Resolution 0.1, 1 % 
   Calibration Points 1 or 2 points 
   Pressure Correction 60.0 kPa to 112.5 kPa, 450 mmHg to 850 mmHg 
   Salinity Correction 0 g per l to 50 g per l 
   Calibration Points 1 point 
   Calibration Range Measured value 50 °F (± 10 °C) 
   Range 0 °C to 105 °C, 32 °F to 221 °F 
   Accuracy 0.5 °F (± 0.5 °C) 
   Resolution 0.1 °C, 0.1 °F 
   Temperature Coefficient 0.0 % or °C to 10.0 % or °C 
Reference Temperature 68 °F or 77 °F (20 °C or 25 °C)Â