Good, working condition, as You see at photos, good price ● Self-made membrane maintenance free electrodes ● Closed container for both calibrates and waste ● Rapid test speed 80 tests/hour ● Min-volume sample consumption: = 65μL ● Automatic one point and two point calibration with additional manual Calibration ● High efficient cleaning procedures, best for fatty samples ● Randomly choose any combination of K, Na, Cl, Ca, pH channels for test ● Slope and intercept adjustable to ensure accuracy ● ≥1000 records storage Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated.