Bluelab® pH Pen

The Bluelab pH Pen measures both pH and temperature. There is selectable unit options for °C and °F which is displayed on a backlit LCD display.

The pH pen has a double junction probe, a successful calibration indicator, and a hold reading function and low battery warning. This pen is fully waterproof with auto off function, as well as automatic temperature compensation.

Along with Bluelab pH Probe KCI Solution, Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included. Range: 0.0–14.0 pH/0–50°C/32°–122°F. Resolution: 0.1 pH/1°C/1°F. Accuracy @ 25°C: ±0.1 pH. Battery type: 1 x AAA alkaline.