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55 Dissolved Oxygen Instrument

Updated:2025-03-13

Brand: YSI
Model: YSI 55
Description: 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.
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Product Details

55 Dissolved Oxygen Instrument Overview：

User's manual

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.

Features：

Large, backlit display
12, 25, or 50 foot cables
IP-65 water tight
Low-battery indicator
CE compliant

Specifications：

Certifications	IP-65 (water resistant), CE compliant
Graphic Display	Graphic, backlit display
Logging Capabilities	Single
Measurement Range	Dissolved Oxygen-0 to 200% air saturation/0 to 20 mg/L, Temperature--5 to 45°C
Parameters Measured	Dissolved Oxygen, Temperature
Power	2 alkaline C-cells provide 400 continuous hours at ambient temperature without backlight
Sampling	Yes
Unit of Measure	Dissolved Oxygen-% air saturation, Temperature-°C, mg/L
User Calibratable	Yes
Warranty	2-year instrument
Waterproof	IP-65 (water resistant)