REED Instruments PH Meter, Pen, 0 To 14PH

High accuracy pH meter with replaceable electrode. This digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The R3500 features automatic temperature compensation for accurate readings and includes a built-in calibration procedure.

• Dual LCD display for temperature and pH measurements
• Built-in calibration procedure ensures accurate readings
• Waterproof housing offers durability