Ideal for mobile applications in the laboratory, at-line, and outdoors

Take simple dissolved oxygen and temperature measurements with the Thermo Scientific™ Orion™ Star A123 DO Portable Meter with easy operation for basic field testing

Reliably measure dissolved oxygen (optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A223 RDO / DO Portable Meter for advanced field analysis

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.

Accurately monitor dissolved oxygen (optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A323 RDO / DO Portable Meter for challenging field testing

Traceable to NIST™ standards.

Ideal for mobile applications in the laboratory, at-line, and outdoors

Portable meter provides reliable and high quality dissolved oxygen (DO) measurements with simple click of a button