Portable Dissolved Oxygen Meters

Orion Star™ A223 Dissolved Oxygen Portable Meter (Thermo Scientific™)

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

Orion Star™ A323 Dissolved Oxygen Portable Meter (Thermo Scientific™)

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

Orion Star™ A123 Dissolved Oxygen Portable Meter (Thermo Scientific™)

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