GAOTek Portable Channels Conductivity Tester




GAOTek portable 3 channels conductivity tester is for water quality professionals who want to perform electrochemical analysis for field and lab environments. Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness rating.  



  • Smart sensors available to measure a wide variety of parameters including Total Dissolved Solids (TDS), Optical Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Temperature, Conductivity, and pH 
  • Smart probes are automatically retaining calibration history and method settings to minimize errors and setup time 
  • Deliver superior accuracy and response times –even when measuring challenging samples or challenging operating environments 
  • Offer a range in measurement versatility – eliminating the need for multiple pieces of equipment 


Technical Specifications

Barometric pressure measurement  Automatic compensation of DO when using an LDO or LBOD probe 
Calibration  Demal (1 D/ 0.1 D/ 0.01 D);
Molar (0.1 M/ 0.01 M/0.001 M);
NaCl (0.05%; 25 µS/cm; 1000 µS/cm; 18 mS/cm);
Standard sea water;
User defined 
Calibration intervals  Off, selectable from 2 hours to 7 days 
Conductivity measurement range  Yes 
DO measurement range  0.1 mg/L to 20.0 mg/L (ppm), 1 to 200% saturation 
DO resolution  0.1 
Data export  USB connection to PC or USB storage device (limited to the storage device capacity) 
Data memory  100,000 data points 
Data storage  Automatic in Press to Read Mode and Interval Mode. Manual in Continuous Read Mode 
Display  Up to 3 parameters at a time, dependent on HQ model 
Enclosure rating  IP 67 
Inputs  3 
Measurement method  Probe specific programmed method settings 
ORP electrode calibration  Predefined ORP standards (including Zobell’s solution) 
Power Supply  Rechargeable lithium-ion battery 18650 (internal)
Class II, USB power adapter: 100 to 240 V AC, 50 Hz / 60 Hz input; 5 V DC at 2 A USB power adapter output (external) 
Probe type  Intellical Standard Laboratory or Rugged Field 
Parameter  pH, Conductivity, TDS, Salinity, Dissolved Oxygen (DO), ORP, ISE 
Lock function  Continuous / Auto-stabilization (“press to read”) / At Interval 
Temperature range  32 °F to +140 °F ( 0  to +60 ) 
Operating humidity  90% (non-condensing) 
Dimension  8.66 in x 3.81 in x 2.48 in (220 mm x 97 mm x 63 mm) 
Weight  1.25 lb (570 g) 


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