BlueLab: Ph Pen

Bluelab(BLU2210) pH Pen Measures pH and temperature. Selectable units for C & F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensation. Range: 0.0 - 14.0 p - H/0-50 C/32-122 F. Resolution: 0.1 p - H/1 C/1 F. Accuracy @ 25 degrees C: +/-0.1 p - H. Battery type: 1 x AAA alkaline. Loop handle for easy dipping and hanging.