EC/TDS Meter

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
 
Measures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.
 
Four scales: EC: µS, mS;  TDS: ppm, ppt  
 
Automatic Temperature Compensation (ATC)
 
Water resistant
 
Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt 
 
Digital Calibration (push button) to any point within the meter's range
 
Auto-off function, data-hold function and low-battery indicator
 
Display: large and easy-to-read LCD screen includes simultaneous temperature reading
 
Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution—can be recalibrated with digital calibration using the push buttons
 
Includes a protective cap and batteries.