The HM Digital PH-80 and COM-80 has proven to be the MOST reliable pH meter and EC/TDS meter in its price range.
HM Digital pH-80 HydroTester
This pH Meter is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. The sleek, lightweight design is water-resistant, features one-touch automatic digital calibration, measures temperature, has automatic temperature compensation (ATC) and an LCD screen. This tester includes storage solution in a sponge embedded in a translucent cap, pH 7.0 buffer and batteries. This product carries a one-year warranty.
HM Digital pH-80 Features:
Measures pH and TemperatureOne-touch automatic digital calibrationWater resistantSimultaneous temperature displayLarge LCD displayAutomatic Temperature Compensation (ATC)Auto-off function, data-hold function and low-battery indicatorFactory Calibrated: The PH-80 meter is factory calibration to pH 7.0.Includes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)pH Range: 0 – 14Temperature Range: 1-55 °C; 32-130 °FResolution: 0.1 pH; Temperature resolution is 0.1 °C/FAccuracy: +/- 0.2 pH; Temperature accuracy is +/-2%Calibration: Digital automatic calibration (one point)Minimum EC/TDS: 10 µS/5 ppmElectrode: Glass sensor and reference tube electrodesPower source: 3 x 1.5V button cell batteries (model LR44 or equivalent; included)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)UPC: 891144000175HM Digital EC/TDS HydroTester COM-80
The COM-80 is easily the most advanced economically priced, reliable EC/TDS meter on the market. The HM Digital EC/TDS HydroTester is a reliable EC/TDS meter that is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. With four scales, including microsiemens (µS), millisiemens (mS), parts per million (ppm) and parts per trillion (ppt), this water-resistant tester is excellent for nutrient testing, and the LCD screen displays simultaneous temperature reading. Measurements range from 0 to 9,990 µS, 0 to 5,000 ppm, 0 to 9.9 mS and 0 to 5.0 ppt. This product includes a protective cap and batteries and carries a one-year warranty.
HM Digital EC/TDS Features:
Measures electrical conductivity (EC), total dissolved solids (TDS).Excellent for nutrient testingFour scales: EC: µS, mS; TDS: ppm, 0.5 (NaCl) & 0.7 (442™)Automatic Temperature Compensation (ATC)Water resistantDigital Calibration (push button) to any point within the meter’s rangeAuto-off function, data-hold function and low-battery indicatorDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading.Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution.Includes a protective cap and batteriesEC Range: 0 – 9990 µS; 0 – 9.9 mSTDS Range: 0 – 5000 ppm (0.5 Scale) ; 0-8560 ppm (0.7 Scale)Temperature Range: 1-80 °C; 33-176 °FResolution: 1 µS/ppm; 0.1 mSTemp. Resolution: 0.1 °C/FAccuracy: +/- 2%Power source: 3 x 1.5V button cell batteries (LR44 or equivalent is included)Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)Weight: 53.9g (1.9 oz)
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