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Bluelab pH Pen - PENPH

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PENPH pH Pen by Bluelab

Perfect for quick and easy pH and temperature readings direct from your solution.

The Bluelab® pH Pen is the preferred option for hand held pH meters. It provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.

A key parameter that affects nutrient uptake is whether your solution is acid or alkaline. We measure this in pH.

Teamed with our Bluelab® Conductivity Pen you have a robust, convenient and accurate measurement system.


  • Measures pH and temperature
  • Selectable units for temperature
  • Fully waterproof
  • Backlit LCD display
  • Double junction probe (not replaceable)
  • Simple two point calibration process with 30 day calibration indicator
  • Hold reading function
  • Low battery indicator
  • Auto off function
  • Automatic temperature compensation
  • 1 AAA replaceable battery included
Measurement Range: 0.0 - 14.0 pH
0 - 50 °C / 32 - 122 °F
Resolution: 0.1 pH
1 °C / 1 °F
Accuracy at 25°C / 77°F: ± 0.1 pH, ± 1 °C / ±2 °F
Automatic Temperature Compensation: Yes
Operating Environment: 0 - 50 °C / 32 - 122 °F
Calibration: Two point, pH 7.0 & pH 4.0 or pH 10.0
Power Source: 1 x AAA alkaline battery
User Manual Languages Available: English; Espan҃ol-España; Espan҃ol-Latinoamerica; Français; Français-Canada; Nederlands; Deutsch
Certifications: CE and FCC

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