Offering push-button calibration with a built-in calibration chamber, direct salinity, and altitude compensation, the YSI 55 provides simultaneous readings of oxygen and temperature.
Dissolved oxygen readings are automatically compensated for temperature.
- Large, backlit display
- 12, 25, or 50 foot cables
- IP-65 water tight
- Low-battery indicator
- CE compliant
Includes: Instrument, attached cable, probe, and a 5775 Membrane Kit.