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YSI Model 550 Handheld Dissolved Oxygen Meter YSI Get Quote
 
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Looking for a rugged, field worthy instrument for measuring dissovled oxygen? The new YSI 550A Dissolved Oxygen instument features a waterproof (IP-67), impact-resistant case and innovative field-replaceable dissolved oxygen electrode modules. Measure dissovled Oxygen and temperature simultaneously using YSI's proveb polarographic technology for oxygen and YSI temperature precision thermistors, the planetwide standard for accuracy. The new PE membranes provide faster response times with less stirring dependence - saving time with every reading!

Key Features

  • Screw-on cap membranes - PE membranes lessen stirring dependence
  • Over 2000 hours battery life
  • Manual salinity input from 0 to 70ppt
  • Faster reponse time
  • Calibrate in either mg.L or % saturation
  • User-selectable temperature units (?C or ?F)
  • 3.5 and 7.5m cable lengths

Technical Specifications

Medium Fresh, sea or polluted air
Range 0 to 500% air saturation
Resolution 0.1% air saturation or 1% selectable
Accuracy 0-200% : ±2% air sat. or ±2% of reading, whichever is greater 200-500% : ±6% of reading
Dissolved Oxygen Sensor Steady-state polarographic
Dissolved Oxygen Probe Field-replaceable module
Temperature Units Celsius or Fahrenheit, user selectable
Temperature Specification Range: *5 to +45°C Resolution: 0.1°C Accuracy: ±0.3°C
Parameter Compensation Automatic temperature compensation for dissolved oxygen, Automatic salinity compensation (0-70ppt) for dissolved oxygen, Altitude compensati
Power 4 alkaline C cells
Battery Life Over 2000 hours at 25°C
Cables 12 to 25 foot lengths (3.6m and 7.6m)
Other Features Waterproof to IP-67 High-impact resistance Push-button calibrator Built-in calibration chamber Large, backlit display Low battery indicator
Medium Fresh, sea or polluted air
Range 0 to 500% air saturation
Resolution 0.1% air saturation or 1% selectable
Accuracy 0-200% : ±2% air sat. or ±2% of reading, whichever is greater 200-500% : ±6% of reading
Dissolved Oxygen Sensor Steady-state polarographic
Dissolved Oxygen Probe Field-replaceable module
Temperature Units Celsius or Fahrenheit, user selectable
Temperature Specification Range: *5 to +45°C Resolution: 0.1°C Accuracy: ±0.3°C
Parameter Compensation Automatic temperature compensation for dissolved oxygen, Automatic salinity compensation (0-70ppt) for dissolved oxygen, Altitude compensati
Power 4 alkaline C cells
Battery Life Over 2000 hours at 25°C
Cables 12 to 25 foot lengths (3.6m and 7.6m)
Other Features Waterproof to IP-67 High-impact resistance Push-button calibrator Built-in calibration chamber Large, backlit display Low battery indicator

Dimensions

  US Metric
W x L 4.7 x 9\"\" 119mm x 229mm

Weight

  US Metric
W x L 2 lbs 0.91 kg

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