Features:

• Refillable pH electrode that can be reused by refilling the reference solution once it depletes
• Obtains continuous high accuracy using fresh reference solution
• Fast and easy steps to refill your electrode
• Eliminates the concern of electrode shelf life
• 1, 2 or 3 point calibration automatically recognizes buffer solutions. Order pH buffers separately
• Complete with refillable pH electrode, 1.5mL bottle KCI, 2 reference junctions, 2 removal tools, protective cap, sample cup, four 3V CR-2032 batteries, and 48" (1.2m) neckstrap