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550A-50CC portable dissolved oxygen measuring instrument
550A-50CC portable dissolved oxygen measuring instrument
Product details
550A-50CC portable dissolved oxygen measuring instrument
YSI 550A-50 portable dissolved oxygen measuring instrumentAdopting a fully waterproof (IP67 waterproof rating) and impact resistant instrument casing, and utilizing an innovative field replaceable dissolved oxygen electrode module. Using YSI's proven polarographic technique and YSI's globally renowned thermistor technique, dissolved oxygen and temperature can be measured simultaneously. The new generation of PE cover film provides faster reaction time and lower stirring dependence.
total moistureConfidential, compliant with IP67 waterproof rating
Field replaceable dissolved oxygen electrode module
Faster reaction time, lower stirring dependence
Stainless steel probe, sturdy and durable, easier to sink into water
Install stress relievers at both ends of the cable interface to reduce material fatigue at the connection and effectively extend the cable's lifespan
Built in dissolved oxygen calibration room/probe storage room, convenient to carry and maintain the normal working state of the probe
Available with 3.7, 7.5, 15, and 30 meter cables for selection
The measurement range of dissolved oxygen has been expanded to 50 milligrams per liter
Air saturation or milligram/liter calibration mode
Over 2000 hoursLong battery life
YSI 550A-50 System Specifications
| Technical indicators for measuring parameters | ||
| Temperature | measuring range Resolution Accuracy |
-5 to+45 ℃ 0.1℃ ±0.3℃ |
| dissolved oxygen (% air saturation) |
measuring range Resolution Accuracy |
0 to 500% 0.1% or 1% air saturation (optional) 0 to 200%: ± 2% of the reading or 2% air saturation, whichever is greater; 200 to 500%: ± 6% of reading |
| dissolved oxygen (milligrams per liter) |
measuring range Resolution Accuracy |
0 to 50 milligrams per liter 0.01 or 0.1 milligrams per liter (optional) 0 to 20 milligrams per liter: 0.3 milligrams per liter or ± 2% of the reading, whichever is greater; 20 to 50 milligrams per liter: ± 6% of the reading |
| Note: The instrument accuracy specification is the sum of the host and probe | ||
Other technical indicators
| working conditions | Water bodies: freshwater, seawater, or sewage; Temperature: -5 to+45 ℃ |
| Dissolved oxygen reaction | Reaching 95% of the final value within 9 seconds |
| Salinity compensation | 0 to 70 ppt |
| Waterproof specifications | IP67 waterproof rating |
| Power Supply | 4 No. 2 alkaline batteries (25 ℃, over 2000 hours) |
| Cable | Available in 3.7 meters, 7.5 meters, 15 meters, and 30 meters for selection |
| Dimensions | 22.9 centimeters (length) x 11.9 centimeters (width) |
| Weight | 0.91 kg (including battery) |
| defects liability period | Host: Three years; Probe and cable: one year |
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