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Hydroponics
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HM Digital COM-100 EC/TDS/Temp Meter
Starting at: $31.85
Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor. Automatic Temperature Compensation (ATC) using three temperature coefficients. Waterproof housing. Measurement Range: 0-9990 µS; 0-8560 ppm (auto-ranging). Digital Calibration (push button). 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-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrate with digital calibration using the push buttons, rather than a screwdriver. Includes a cap, batteries and lanyard. Learn More -
HM Digital Aquapro TDS Water Tester AP-1
$43.85Measures total dissolved solids (TDS) and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 0-5000 ppm Digital Calibration (push button) 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 AquaPro is calibrated with a 342 ppm NaCl solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. Includes a cap and batteries. One year warranty. Learn More -
Hanna Waterproof PHEP 4 Replacement pH Probe
$60.25Replacement pH Probe HI73127 for Hanna PHEP 4 Tester HI98127 Learn More -
Hanna Waterproof PHEP 4 - HI 98127
$109.85When HANNA® introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot, accurately and inexpensively throughout a variety of industries. Since its introduction, over 1 million pHeps have gone to satisfied customers around the world. Learn More
