Thermo Scientific Orion 3-Star Plus
pH Meters

The Thermo Scientific Orion 3-Star Plus pH meters are ideal for a variety of pH measurements – water, media, beverage, process water.

Features and Benefits

• Simultaneous display of pH or mV, and temperature measurements on the backlit LCD
• The Thermo Scientific Orion SMART STABILITY™ and SMART AVERAGING™ functions for automatically optimized accuracy, precision and response timeTemperature calibration capability
• pH calibration of up to 5 points with calibration alarm
• Automatic buffer recognition of USA, NIST and DIN buffers
• Storage of up to 10 individually password protected methods for easy retrieval of operation procedures
• Datalog up to 1000 points with time and date stamp
• Average slope and slope of segment printed with pH measurements
• RS232 port for data downloads and communication
• Benchtop units can control an autosampler and the 096010 stirrer probe (each sold separately)
• Benchtop units are splashproof with an IP54-rated housing and include a universal power supply
• Portable units are waterproof with an IP67-rated housing and run for over 2,000 hours on four AA batteries
• 3-year meter warranty

Measure dissolved oxygen levels without the hassle of membrane replacement.

Portable Optical RDO (Rugged Dissolved Oxygen) System

• Uses optical DO technology
• No membranes to change – once-a-year cap replacement
• Calibrate for dissolved oxygen using water-saturated air, air-saturated water, zero point or a custom point with Winkler titration
• Built-in barometer for automatic pressure correction with option for manual input
• Temperature calibration capability
• Data storage for 1000 data sets with time and date stamping
• RS232 port for easy data downloading and software updates
• IP67-rated meter housing and backlit display
• IP68-rated RDO sensor
• Four AA batteries provide over 1000 hours of operation in AUTO READ™ mode
• 3-year warranty on meter and RDO
  sensor body
• 1-year warranty on optical cap