HM Digital Waterproof Professional pH/EC/TDS/Temp Meter, COM-300

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In-Store Location: @C8 HM Digital Waterproof Professional pH/EC/TDS/Temp Meter, COM-300 The HM Digital® Waterproof Professional pH/EC/TDS/Temp Meter COM-300 is ideal for water qual ity testing, hydroponic growing, water purification applications, wastewater regulation, aquaculture, collodial silver, labs and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment, and more. This comprehensive testing tool features five measurement scales, automatic temperature compensation with three temperature coefficients, two conductivity conversion factors, plus waterproof housing, digital calibration, auto-off and data-hold functions, low battery indicator, and easy-to-read display. The meter is factory calibrated, and includes a replaceable sensor, two AAA batteries, pH 4 and 7 solutions, pH storage solution, and a lanyard. One-year warranty on the meter; six-month warranty on the probe. Show more