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True Field Performance
Looking for a rugged, field-worthy instrument
for measuring dissolved oxygen? The new YSI 550A DO features a waterproof
IP-67, impact-resistant case and innovative field-replaceable DO electrode
modules. Measure dissolved oxygen and temperature simultaneously using
YSI's proven polarographic technology for oxygen and YSI Temperature Precision
TM
thermistors, the worldwide standard for accuracy.
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Waterproof! Meets IP-67 specifications Field-replaceable
DO electrode modules
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Screw-on cap membranes
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Over 2000 hours battery life
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Calibrate in either mg/L or % saturation
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User-selectable temperature units (°C or °F)
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12, 25, 50, and 100-foot cable lengths
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Expanded DO and salinity ranges for a wider application
range
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Three-year warranty on the instrument and one-year
on the DO module and cable!
Packed With Features
Measurements are fast and easy with one-hand
operation, an easy-to-use backlit display, automatic push-button calibration,
and a weighted, quick-sinking probe. The YSI 550A DO has a built-in calibration
chamber, low-battery indicator, direct salinity, and altitude compensation.
The instrument provides simultaneous readings of oxygen and temperature.
Dissolved oxygen readings are automatically compensated for temperature.
| PART # |
DESCRIPTION |
PRICE |
|
| 550A-12 |
YSI 550-A 12' cable |
$755.00 |
|
| 550A-25 |
YSI 550-A 25' cable |
$795.00 |
|
| 559 |
DO Module |
$151.50 |
|
| 5908 |
Membrane Kit |
$45.00 |
|
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Call Toll Free 800-850-7274
to order today!
YSI 550A Dissolved Oxygen Specifications
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Medium:
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Fresh, sea or polluted water |
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Dissolved Oxygen Sensor:
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Steady-State Polarographic |
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Dissolved Oxygen Probe:
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Field-replaceable module |
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Accuracy:
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0-20 mg/L; +0.3 mg/L or +2%
of reading, whichever is greater |
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20-50 mg/L; +6% of reading |
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0-200 %; +2% air saturation or
+2%
of reading, whichever is greater |
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200-500%; +6% of reading |
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Range:
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0-50 mg/L |
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0-500 % air saturation |
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-5°to +45° C temperature |
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Resolution:
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0.01mg/L or 0.1 mg/L, user selectable |
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0.1% air saturation or 1%, user selectable |
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0.1°C temperature |
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Temperature Units:
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Celsius or Fahrenheit, user selectable |
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Temperature Specifications:
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Accuracy: +0.3°C |
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Range:-5°to +45° C |
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Resolution: 0.1°C |
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Altitude Compensation:
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Yes |
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Salinity Compensation:
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Automatic (0-70 ppt) |
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Temperature Compensation:
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Automatic |
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Power:
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4 alkaline C-cells |
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Size:
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4.7 in. width; 9 in. length (11.9 cm
x 22.9 cm) |
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Weight with Batteries:
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2 lb. (0.91 kg) |
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Battery life:
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Over 2000 hours at 25°C |
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Cables:
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12, 25, 50, or 100-foot lengths |
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Other Features:
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Waterproof to IP-67 |
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High impact resistance |
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Push-button calibration |
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Built-in calibration chamber |
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Large, backlit display |
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Low battery indicator on display |
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CE compliance |
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Warranty:
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3-year for the instrument |
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1-year for the DO module |
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