Bluelab pH Pen

The Bluelab pH Pen is another great product innovation from Bluelab Corporation.

This handheld pH meter has it All:

A rugged & stylish design, digital back lit display, push button navigation, fully waterproof and an affordable price to rival its less quality conscious competitors.

Hydroponic growers who are looking for a meter to read the pH of a solution no longer need to purchase cheap throw away pH meters or have to deal with the task of colour matching litmus paper or pH indicator solutions – the Bluelab pH Pen delivers on affordability as well as quality.

Simply turn the meter on, dip the tip of the meter in the solution you are measuring, allow the pH reading on the LCD screen to stabilise, and then withdraw it to take your final reading.

The pH Pen also doubles as a temperature meter and provides readings in degrees Celsius (°C)  or Fahrenheit (°F) .

The many great features of this handy new meter are as follows:


  • Measures pH and temperature
  • Selectable units for Degrees C & Degrees F
  • Backlit LCD display
  • Double junction probe (not replaceable)
  • Successful calibration indicator
  • Hold function
  • Low battery warning
  • Fully waterproof
  • Auto off function
  • Automatic temperature compensation
  • 12 Month Bluelab Guarantee


Units: pH, (°C), (°F)
Range: 0.0 – 14.0 pH0-50 (°C) / 32-122 (°F)
Resolution: 0.1 pH1 (°C) / 1 (°F)
Accuracy @ 25°C ±0.1 pH
Automatic Temperature Compensation (ATC): Yes
Battery type: 1 x AAA alkaline

Retail Price NZ$154.70 + GST

Ask about our Commercial Grower Discount!

Wholesale Pricing is Available for Retailers!

**Enquire Today!**    

Instruction Manual – pH Pen

Promotional Flyer – pH Pen

Technical Specifications- pH Pen