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YSI Model 55 Dissolved Oxygen Meter
  • Portable
  • Measures dissolved oxygen in mg/L or %
  • Pushbutton calibration with a built-in calibration chamber
  • Direct salinity and altitude compensation
  • Simultaneous readings of oxygen and temperature
  • Auto temperature compensation
  • Probes have stainless steel weight for quick sinking
  • Backlit display permits easy reading in any light
  • Low battery indicator
  • Available with 12', 25', or 50' cable lengths
 

PRODUCT SPECIFICATIONS

Range Concentration 0-20 mg/L
Air saturation 0-200%
Temperature -5 to 45 °C
Accuracy Concentration ±0.3 mg/L
Air saturation ±2%
Temperature ±0.4 °C
Resolution Concentration 0.01 mg/L
Air saturation 0.1%
Temperature 0.1 °C
Salinity Compensation 0 to 40 ppt
Altitude Compensation 0 to 10,000 feet
Temperature Compensation Manual or Automatic 0 °C to 100.0 °C
Power 6 AA alkaline cells provide approximately 100 hours of operation.
 

PURCHASE DO METERS

ITEM NUMBER DESCRIPTION PRICE

QTY LYS55DO12

YSI Model 55 DO Meter, 12' cable
$628.00

QTY LYS55DO25

YSI Model 55 DO Meter, 25' cable
$659.00

QTY LYS55DO50

YSI Model 55 DO Meter, 50' cable
$715.00

QTY LYS5775

Replacement 5775 Membrane Kit
$26.00

QTY AA

Extra AA Alkaline Battery
$0.95