This item can only be shipped to schools, museums and science centers
Durable luminescence-based optical oxygen sensor is perfect for measuring dissolved oxygen concentration in both the field and the laboratory! Plug-and-play technology allows for no calibration, filling solution, stirring or warm-up time. Includes a built-in temperature reader and pressure compensation to provide fast and accurate results. Quickly perform a variety of tests and experiments to determine changes in dissolved oxygen levels. Replacement cap for sensor is available separately.