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Apera Instruments AI209 Waterproof pH Tester

  • Waterproof design for reliable use in wet conditions.
  • ±0.1 pH accuracy for precise measurements.
  • Easy auto-calibration with buffer recognition feature.
  • Automatic temperature compensation for varied conditions.
  • Includes rugged carrying case and pH buffers.
  • Stable value recognition improves measurement consistency.
  • Up to 2000 hours of battery life with AAA.

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Best Alternatives and Similar Products for Apera Instruments AI209 Waterproof pH Tester

The best Lab pH Meters includes MEXYBE pH Meter [2024] - High Accuracy Tester, VIVOSUN pH and TDS Meter Kit (3-in-1), Ruolan Digital pH Meter Pen (0.01 Accuracy) and many others as mentioned below.

1

MEXYBE pH Meter [2024] - High Accuracy Tester

Best Product
  • High accuracy with 0.01 precision.
  • Ideal for home, gardens, and aquariums.
  • Includes 3 pH calibration powders.
  • Easy to use with clear instructions.
  • Pre-calibrated for immediate use.
  • Dedicated customer support available 24/7.
  • Price Range: $8.99

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    2

    VIVOSUN pH and TDS Meter Kit (3-in-1)

    Best Product
  • High accuracy pH meter with 0.01 precision.
  • Measures pH, TDS, and EC all-in-one.
  • Full pH range from 0 to 14.
  • TDS measurement range up to 9990ppm.
  • Temperature readings in Celsius and Fahrenheit.
  • Lightweight, portable design for easy use.
  • Includes protective case and calibration buffers.
  • Price Range: $15.99
  • Color: Yellow+Blue

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    Alternatives

    3

    Ruolan Digital pH Meter Pen (0.01 Accuracy)

    Best Product
  • High accuracy with 0.01 pH precision.
  • Compact design fits easily in your pocket.
  • Measures pH from 0 to 14 range.
  • Perfect for water, pools, and aquariums.
  • Easy one-button operation for convenience.
  • Automatic temperature compensation for accurate readings.
  • Essential tool for home and outdoor use.
  • Price Range: $6.99

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    Alternatives

    4

    VIVOSUN Digital pH Meter for Hydroponics

  • High accuracy pH testing for various liquids.
  • Portable and lightweight for easy handling.
  • Automatic Temperature Compensation for precise readings.
  • Fast calibration for quick and reliable results.
  • Backlit LCD screen for easy visibility.
  • Includes pH buffer powders for calibration.
  • UL Certified for safety and quality assurance.
  • Price Range: $7.99
  • Color: Yellow

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    Alternatives

    5

    Vorago 3-in-1 Digital pH Meter (Model: TDS)

  • 3-in-1: Measures pH, TDS, and temperature simultaneously.
  • High accuracy with 0.01 resolution for precise readings.
  • Automatic calibration for consistent measurement results.
  • Temperature compensation for accurate pH at varying temperatures.
  • Portable design for on-the-go water testing.
  • Green backlit LCD for easy visibility in low light.
  • Ideal for drinking water, pools, and aquariums.
  • Price Range: $23.99

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    6

    YINMIK pH and EC Meter for Hydroponics

  • 4-in-1 pH and EC meter for hydroponics.
  • Simultaneous measurement of pH, EC, TDS, temperature.
  • Easy one-click access to readings.
  • Long immersion for continuous monitoring.
  • Includes calibration solutions for immediate use.
  • Multi-functional for various water types.
  • 24/7 customer support for your queries.
  • Price Range: $29.99
  • Color: 4 in 1 pH Meter with Calibration Liquid

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    7

    QNCIGER TDS Meter - Digital Water Tester

  • Fast and accurate readings for quick testing.
  • Automatic calibration for effortless setup.
  • Portable design fits in your pocket easily.
  • Wide applications for various water testing needs.
  • Large digital display for easy readability.
  • Quality warranty for customer satisfaction assurance.
  • Ideal for home, labs, and aquatics use.
  • Price Range: $8.49

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    8

    UIUZMAR Digital pH and TDS Meter (Model)

  • Monitors pH levels in hydroponic systems.
  • Measures TDS and EC for optimal water quality.
  • 4 in 1 functionality: pH, TDS, EC, temperature.
  • Easy calibration with included calibration powders.
  • Automatic temperature compensation for accurate readings.
  • Backlit LCD display for easy visibility.
  • Versatile use for various water environments.
  • Price Range: $25.95

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    9

    Divolight Digital pH Meter for Water Testing

  • High accuracy pH testing from 0 to 14.
  • Automatic Temperature Compensation for precise readings.
  • Easy calibration with standard solutions included.
  • Compact and portable design for on-the-go testing.
  • Suitable for drinking water, pools, and aquariums.
  • Quick and reliable results for your water quality.
  • Ready to use with included battery and calibration.
  • Price Range: $15.00
  • Color: Multycolor

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    10

    PmoYoKo Digital pH Meter Tester Pen

  • 3-in-1 function: measures pH, TDS, temperature.
  • Automatic 3-point calibration for accurate results.
  • High accuracy: 0.01 resolution for precision.
  • Green backlit LCD for easy reading.
  • Automatic temperature compensation for reliable readings.
  • Pocket-sized design for convenient use anywhere.
  • Ideal for drinking water, pools, and aquariums.
  • Price Range: $20.59
  • Color: 3 in 1 Digital pH Meter Tester

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    11

    GIDIGI Digital pH Meter for Food Testing

  • Reliable pH test kit for precise food testing.
  • Includes calibration solutions for easy setup.
  • Clear display for effortless pH reading.
  • Spear sensor technology ensures stable readings.
  • Ideal for testing solids and liquids.
  • Perfect for fermentation and canning applications.
  • Durable, waterproof design for kitchen use.
  • Price Range: $38.99

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    12

    Apera Instruments AI311 pH Pocket Tester Kit

  • ±0.01 pH accuracy for precise measurements.
  • Waterproof design for durability in various environments.
  • Replaceable glass probe for long-lasting performance.
  • Large LCD with backlit colors for easy readability.
  • Auto temperature compensation ensures accurate results.
  • Complete kit includes calibration solutions and storage.
  • Compact, portable case for convenient transport.
  • Price Range: $87.73

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    13

    Aero-Gro 5-in-1 Digital Meter Tester

  • 5-in-1 functionality: pH, TDS, EC, Salinity, Temperature.
  • Accurate pH testing with durable glass probe.
  • Swift TDS measurement in parts per million (ppm).
  • Precise electrical conductivity measurement for fresh and saltwater.
  • Automatic temperature compensation for accurate readings.
  • Compact, waterproof design with IP67 protection.
  • Made in the USA by a family-owned business.
  • Price Range: $59.00

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    14

    CIZTADA 4-in-1 pH and EC Meter

  • 4-in-1: Measures pH, EC, PPM, and temperature.
  • Accurate readings for hydroponic gardening systems.
  • Optimal pH range: 5.5-6.5 for plants.
  • EC range: 500-2000 µS/cm for optimal growth.
  • Automatic Temperature Compensation for consistent measurements.
  • Backlight design for low-light conditions.
  • Durable and economical choice for long-term use.
  • Price Range: $24.99

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    15

    YINMIK Digital pH Meter for Food

  • Perfect for sourdough and bread dough testing.
  • Accurate pH readings: 0.00-14.00 range.
  • Essential for sausage and salami fermentation.
  • Easy to use: no slurry needed for cosmetics.
  • Stable readings with advanced ATC technology.
  • Includes 6 bags of buffer solution powder.
  • 3-point auto-calibration for user convenience.
  • Price Range: $38.99

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