Waterproof pH Testers

  • Waterproof and floats
  • Automatic calibration
  • Battery life % indication
  • Temperature in °C & °F
  • Automatic temperature compensation
  • Automatic shut off
  • pH stability and ATC indicators
  • Hold function
  • Easily replaceable pH cartridge
  • Extractable junctions to increase longevity
  • Calibration is automatic at 1 or 2 points with 2 sets of memorized buffers (pH 4.01/7.01/10.1 or pH 4.01/6.86/9.18)

Manufacturer : Hanna Instruments

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Cat.#Range, pHRange, TemperatureResolution/Accuracy, pHResolution/Accuracy, TemperatureMfg.#PriceQuantityEstimated Availability
637-550-402 to 16.00 to 60.0°C0.1/±0.10.1/±0.5°CHI 98127$126.00 EA  
Ships from stock
637-550-422 to 16.00 to 60.0°C0.01/±0.050.1/±0.5°CHI 98128$147.00 EA  
Ships from stock

Parts & Accessories:

Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
639-670-10Replacement pH electrode for #638-850-04HI 73127$78.75 EA  
Ships from stock
639-670-12Electrode removal toolHI 73128$29.40 EA  
Ships in about 2 days

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