Multiparameter Testers

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6 Item(s)

  1. Combo Gro’chek pH/TDS/Temperature (Low Range) Meter - HI991404
    $195.00

    Ships within 24 hours (In Business Days)

    The HI991404 has been engineered to continuously monitor pH, TDS (0 to 2000 ppm) or EC (0 to 3999 µS/cm) and temperature. This microprocessor based meter feature a large, dual level, backlit LCD to give instantaneous readings of pH, EC or TDS and temperature. Optimized for hydroponic and greenhouse applications, the meter housing and cable connections have been sealed against vapor and humidity and all the necessary measuring probes are supplied with purchase.

    • Waterproof
    • Automatic Temperature Compensation (ATC)
    • Large, backlit LCD screens for easy reading
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  2. HI98130 pH/Conductivity/TDS Tester
    $150.00

    Ships within 1-2 Business Days

    The HI98130 makes measuring pH quick and easy! This lightweight, waterproof tester offers high accuracy pH, high range EC/TDS (0 to 3999 µS/cm EC/ 0.00 to 10.00 ppt TDS) and temperature measurements in a single handheld unit! No more switching between meters for your routine measurements.

    Waterproof

    Replaceable pH electrode with extractable junction

    Automatic calibration

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  3. HI98129 pH/Conductivity/TDS Tester
    $150.00

    Ships within 1-2 Business Days

    The HI98129 makes measuring pH quick and easy! This lightweight, waterproof tester offers high accuracy pH, low range EC/TDS (0 to 3999 µS/cm EC/ 0 to 2000 ppm TDS) and temperature measurements in a single handheld unit! No more switching between meters for your routine measurements.

    Waterproof

    Replaceable pH electrode with extractable junction

    Automatic calibration

    Learn More
  4. HI98131 Gro Line Hydroponics pH/EC/TDS tester
    $159.00

    Ships within 1-2 Business Days

    The HI98131 is a slim, lightweight, and waterproof pocket sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI98131 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm).

    groline hydroponics ph ec ppm meter

    3 parameters, pH, EC/TDS and temperature, in one meter

    Quick Cal Mode to calibrate pH and EC/TDS with one solution

    TDS Conversion Factor selectable between 0.5 (500 ppm) and 0.7 (700 ppm)

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  5. HI981420 GroLine Monitor for Hydroponic Nutrients

    The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions.

     

    Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor.


    Grow better with GroLine.

    • Get 24/7 pH&EC measurements for consistent yields every time.
    • Good Laboratory Practice (GLP) feature for professional accuracy.
    • Calibrate pH and EC with a single Quick Cal solution.
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  6. HI98121 ORP/pH/Temperature Tester
    $179.00

    Ships within 1-2 Business Days

    The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement. When the cloth junction becomes clogged and response time is sluggish, simply pull out 3 mm (1/8”) to clear the clogging which will improve response time and stability. The exposed stainless steel temperature sensor on these models facilitates faster and more accurate temperature measurement.

    Waterproof

    Replaceable pH Electrode 

    Automatic Two-Point pH Calibration

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