Field-proven, the YSI 55 DO Instrument measures dissolved oxygen in mg/L or percent saturation. 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.
Also available is the YSI 55D with a detachable cable.
Features
Probe is weighted for quick sinking
Large, easy-to-read back-lit display
Cables are available in 12, 25, or 50 feet lengths (3.7, 7.6 and 15.2m)
Meets IP-65 water tightness requirements
Low-battery indicator on the display
CE compliant version available
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