ECTestr Family


  • Dual range with selectable or auto-ranging options - measure in more media with one tester!
  • User-Replaceable Sensor - Replace the sensors yourself. Sensors lasts longer with element made of SS316 stainless steel and sensor casing made of VALOX
  • Large Display Screen - Simultaneous temperatire readouts, displays mode, ATC, battery level
  • Single and multi-point calibrations with automatic or manual options
  • Waterproof, Anti-roll Design - IP67 waterproof housing keeps tester good even under wet conditions. Unique anti-roll ribbed design ensures firm grip.



For use in water and wastewater treatment, boiler blow-down, electroplating rinse tanks, drinking water, hydroponics, printing industry, aquaculture, aquariums, fish farms, swimming pools and spas.


  ECTestr11 ECTestr11+
Range 0 to 2000 μS/cm
0 to 20.00 mS/cm
0 to 200.0 μS/cm
0 to 2000 μS/cm
0 to 20.00 mS/cm
Resolution 10 μS/cm
0.10 mS/cm
0.1 μS/cm
1 μS/cm
0.01 mS/cm
 Accuracy  ±1 % Full scale of each range 
Calibration points
 2 Auto, 2 Manual  3 Auto, 3 Manual
Temperature  0 to 50.0 ºC; ±0.5 ºC
 ATC Yes (0 to 50 ºC) 
Temperature coefficient
2% per °C 

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