HMD EC/TDS/TEMP PEN COM-80

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COM-80: 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. SPECIFICATIONS EC Range: 0-9990 µS; 0-9.9 mS TDS Range: 0-5000 ppm (mg/L); 0-5.0 ppt Temperature Range: 1-80°C/33-176°F Resolution: 1 µS/ppm; 0.1 mS/ppt Temp. resolution: 0.1°C/F Accuracy: +/- 2% EC-to-TDS Conversion Factor: NaCl (avg of 0.5) Calibration: Digital calibration by push button Probe: Fixed Housing: Water resistantPower source: 3 x 1.5V button cell batteries (included) (model LR44 or equivalent)Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) Weight: 53.9 g (1.9 oz) Show more