Since you can refill the ExStik® quickly, you won't need to worry about the shelf life of its electrode.
- Flat surface refillable electrode
- Measure pH in liquids, semi-solids, and solids
- No more electrode breakage or clogged junctions
- Great for chemistry, agriculture, or environmental science courses
Memory includes 15 readings.
Delivery information: Comes complete with the refillable pH electrode, a 1.5 ml bottle KCI, two reference junctions, two removal tools, a protective cap, a sample cup, four 3 V CR-2032 batteries, and a 48" (1.2 m) neck strap.