Bluelab® pH Controller

Bluelab® pH Controller

Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it, and forget. The pH is taken care of.


  • Water resistant,
  • Wall mount housing,
  • 13 foot acid/alkali resistant dosing tube,
  • International power supply,
  • Replaceable double junction pH probe and Temperature Probe (for pH ATC).
  • Use with undiluted Bluelab® pH Up or Down.
  • 6 month guarantee for Bluelab® pH Probe.


    • Automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760 L
    • Plant-safe green backlit LCD with adjustable brightness
    • Large, easy to read displays
    • Easy to navigate menu to program and adjust settings
    • Simple push-button pH calibration with on screen guide
    • Flashing high / low alarm with control lockouts
    • Dosing lockouts to protect from over-dosing
    • Auto resume dosing on restart after power loss
    • Water resistant, wall mount design
    • 13 foot (4 meters) acid/alkali resistant dosing tube supplied
    • Use with either undiluted Bluelab pH Up or Down
    • International power supply
    • Replaceable double junction pH probe
    • Separate Bluelab Temperature Probe (for pH ATC)
    • Replaceable peristaltic pump and tubes

    Bluelab® pH Controller Instructions Manual

    Weight (lb.):  2.2

    Length (in.):   8.2

    Width (in.):   4.2

    Height (in.):  7.7

    Control Range:  0.1 - 13.9 pH

    Dose Rate:  10ml per minute

    Resolution:  0.1 pH

    Accuracy at 25̊C / 77̊F:  ± 0.1 pH

    Calibration:  Two or three point (pH 7.0 and pH 4.0, and/or pH 10.0)

    Temperature compensation:  Yes 

    Operating environment:  0-50°C, 32-122°F

    Output:  24VDC 0.4 Amp

    Control Parameter:  pH – user selectable single direction (up or down)

    Power Source:  4 interchangeable plug types  

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