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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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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.
| 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) |
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