pH Pen - pH and Temperature Meter - bluelab ®
pH Pen bluelab the ultimate solution for measuring pH, 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.
0.0 – 14.0 pH 0 – 50 ̊C / 32 – 122 ̊F
- Measures pH tester 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
 - AAA replaceable battery included