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Dissolved Oxygen Meters

YSI 550A Waterproof Dissolved Oxygen & Temperature Meter

Medium:

Fresh, sea or polluted water

Dissolved Oxygen Sensor:

Steady-State Polarographic

Dissolved Oxygen Probe:

Field-replaceable module

Range:

0-500 % air saturated

0-50 mg/L

Accuracy:

0-200%: +2% air sat. or +2% of reading, whichever is greater.
200-500%: +6% of reading

0-20 mg/l: +0.3 mg/L or +2% of reading, whichever is greater.
20-50 mg/l: +6 of reading

Resolution:

0.1% air saturation

0.01mg/L or 0.1 mg/l selectable

0.1°C temperature

Temperature Units:

Celsius or Fahrenheit, user selectable

Temperature Specifications:

Accuracy: +0.3°C

Range:-5°to +45° C

Resolution: 0.1°C

Altitude Compensation:

Yes

Salinity Compensation:

Automatic

Temperature Compensation:

Automatic

Power:

4 alkaline C-cells

Size:

4.7 in. width; 9 in. length (11.9 cm x 22.9 cm)

Weight with Batteries:

2 lb. (0.91 kg)

Battery life:

Over 2000 hours at 25°C

Cables:

12, 25, 50 or 100 foot lengths

Other Features:

Waterproof to IP-67

High impact resistance

Push-button calibration

Built-in calibration chamber

Large, backlit display

Low battery indicator on display

CE compliance

Warranty:

3-year for the instrument

1-year for the DO module



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