Hanna pH/TDS/EC Meter: HY

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The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensation is automatic. The combo has a replaceable pH electrode cartridge and an EC/TDS graphite electrode, which resists contamination. The temperature probe is stainless steel, for faster and more precise measurement. [more info]

Hanna pH/TDS/EC Meter Replacement Probe: HY

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HANNA REPLACEMENT PROBE FOR HI98129 EC/TDS/PH/TEMP, and HI98127 PH meters. [more info]

Hanna TDS/EC/Temperature Meter: HY

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Hanna Instruments model HI 98311. TDS (reads in PPM) , EC and temperature meter tester. Waterproof and designed to float. Feels great in your hand. Very stylish and modern. Low battery indicator. A... [more info]

Hanna pH Meter: HY

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Hanna pH hand-held meter 4 that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings. Hanna ID: HI98127pHep4 pH... [more info]

Grochek Combo Meter (pH/EC/Temp) : HY

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GROCHEK COMBO by HANNA. This unit incorporates pH, temperature, and EC readings all in one package. Simply install the meter above the reservoir and insert the electrodes into the solution for... [more info]

Grochek TDS Meter: HY

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HANNA GRO CHEK TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS readings. A very handy device for the serious gardener. This unit is designed to have the electrode... [more info]

Grochek pH Meter: HY

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HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH... [more info]

Grocheck Combo Meter (pH/EC/TDS/Temp) : HY

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HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response Probe... [more info]

Grochek Combo Meter (pH/EC/Temp) Replacement Probe: HY

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HANNA REPLACEMENT PROBE FOR HI9919404 EC/TDS/PH/TEMP combo meter. [more info]

Grochek Waterproof pH/EC/TDS/Temp Meter W/pH Electrode Diagnostic HI 9813-6 Replacement Probe Only (HI 1285-6) Special Order: J

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This is the Replacement Probe Only for the Grochek Waterproof pH/EC/TDS/Temp Meter W/pH Electrode Diagnostic HI 9813-6, sku: J 716815, not the meter itself, just the replacement probe only. [more info]