Benchtop or portable instruments, probes, and sensors used to measure dissolved oxygen in water and other solutions; typically used to determine oxygen saturation or biological oxygen demand (BOD), a measure of biodegradable material in the sample.
Compact, rugged design with large, easy-to-read digits. Fisherbrand Traceable Portable Dissolved Oxygen Meter Pen has a water-resistant design with O-ring seal and membrane keypad which assures a long life in severe lab or harsh plant environments.