pH/Dissolved Oxygen (DO) Meter

  • Measures pH, dissolved oxygen and temperature.
  • Waterproof, dustproof and it floats.
  • Automatic temperature compensation from 0 to 50°C.
  • Displays pH/temperature or oxygen/temperature.
  • Salinity correction: range 0 to 50 ppt resolution 0.1 ppt
  • Barometric pressure correction: range 500 to 1499 mm Hg/66.6 to 199.9 kPa, resolution 1 mm Hg/0.1kPa
  • Key salinity and barometric pressure manually. Both give automatic correction.
  • Independent 100% and zero adjustment calibrations.
  • View slope, offset and millivolt values for both pH and DO.
  • °C/°F selectable.
  • Auto pH buffer recognition and calibration at 5 points.
  • Hold function, ready indicator and auto shutoff.
  • Easy-to-service, low maintenance probe.
  • Power: 4 x 1.5V AAA batteries included (>100 hours of continuous use).
  • Dimensions: 3.75”W x 7.5”L x 2.25”H
  • Meter kit includes meter, DO probe with 10-ft cable, pH electrode with 10-ft cable, pH “Singles” pouches, 500 ml electrolyte solution, 5 replacement membranes, membrane replacement tool, rinse bottle and foam-lined hard carrying case.
  • Warranty: 3 years.
    pH Range: -2 to 16
    Resolution:  0.01
    Accuracy: ±0.01
    Calibration: up to 5 pts.: pH 1.68, 4.01, 10.01, 12.45
    DO (mg/L) Range: 0 to 20 ppm
    Resolution: 0.01
    Accuracy: ±1.5% full scale
    Calibration: 1 or 2 pts. (100% and 0% sat.); separate mg/l offset
    DO Saturation Range: 0 to 200%
    Resolution: 0.1
    Accuracy: ±1.5% full scale
    Calibration: 1 or 2 pts. (100% and 0% sat.); separate mg/l offset
    Temperature Range: 0 to 50°C/32 to 122°F
    Resolution: 0.1°C/0.1°F
    Accuracy: ±0.3°C/±0.5°F
    Calibration: offset up to ±5°C or °F

Manufacturer : Oakton

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Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
639-840-04Waterproof pH/DO 300 Meter with 10-ft cable DO probe, pH electrode with 10-ft cable and electrolyte solutionEW-35632-30$3,301.92 EA  
Ships within one week
639-840-06Waterproof pH/DO 300 Meter KitEW-35632-80$3,657.81 EA  
Ships within one week

Parts & Accessories:

Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
628-100-20DO probe with 50-ft cableWD-35640-54$1,497.25 EA  
Ships within one week
628-100-22DO probe with 100-ft cableWD-35640-56$1,914.54 EA  
Ships within one week
639-840-20Submersible pH electrode (single junction; 10-ft. cable)WD-35805-23$248.71 EA  
Ships within one week

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