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    Water Quality Meters | pH, ORP, EC, TDS, DO & Chlorine

    Professional Water Quality Meters — pH, ORP, EC, TDS, DO, Temperature & Chlorine

    Whether you're managing a hydroponic system, monitoring an aquaculture facility, testing municipal water, or running laboratory analysis, precise water quality measurement starts here. Browse our curated selection of 193+ professional-grade meters from leading brands — built for accuracy, durability, and ease of use across every application.

    Parameters We Cover

    • pH Meters — Measure acidity and alkalinity with ±0.01 accuracy; portable pens to benchtop units
    • ORP Meters — Oxidation-reduction potential for water treatment, sanitation, and aquaculture
    • EC / TDS Meters — Electrical conductivity and total dissolved solids for hydroponics, pools, and industrial water
    • Dissolved Oxygen (DO) Meters — Optical and polarographic DO sensors for aquaculture, research, and environmental monitoring
    • Temperature Meters & Probes — Standalone thermometers and integrated sensors for process control
    • Chlorine Meters — Free and total chlorine measurement for drinking water, pools, and wastewater treatment
    • Multiparameter Meters — Measure pH, EC, TDS, DO, ORP, and temperature simultaneously with a single instrument

    Top Brands in This Collection

    • Apera Instruments — ISO 9001-certified pH and multiparameter meters, trusted in 60+ countries
    • Bluelab — Industry-leading EC, pH, and nutrient meters for professional horticulture
    • Milwaukee Instruments — Reliable, affordable meters for agriculture, food service, and water treatment
    • Hanna Instruments — Broad range of photometers, titrators, and portable testers for lab and field

    Who Uses These Meters

    • Hydroponics & Vertical Farms
    • Aquaculture & Aquaponics Operations
    • Swimming Pools, Hot Tubs & Spas
    • Municipal & Industrial Water Treatment Plants
    • Environmental & Field Research
    • Food & Beverage Manufacturing
    • Schools, Universities & Research Laboratories

    All meters in this collection are sourced from manufacturers with proven accuracy and support. If you need help selecting the right instrument for your application, contact us — we’re water quality specialists.

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