Thermo Scientific 4-STAR PORT PH/RDO WP HH METER

• Dissolved oxygen, pH and temperature measurement capabilities
• pH calibration of up to 5 points with calibration alarm and automatic buffer recognition of USA, NIST and DIN buffers
• Temperature calibration capability for pH
• Data storage for 750 data sets with time and date stamping

All RDO Meters feature:

• Dissolved oxygen level measurements using 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 at a custom point with Winkler titration
• Built-in barometer for automatic pressure correcting with option for manual correction for dissolved oxygen readings
• RS232 port for easy data downloading and software updates
• Simultaneous display of measured values on the backlit display
• IP67-rated housing
• Four AA batteries to provide over 1000 hours of operation in Auto-Read™ mode
• 3-year warranty on meter and RDO probe body
• 1-year warranty on RDO sensor cap