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YSI™ Model 550A Dissolved Oxygen Meter

Rugged DO Meter designed for the field

$1,569.96 - $2,009.55

Specifications

Accuracy (DO) 0 to 20mg/L, ±0.3mg/L or 2% of reading, whichever is greater, 20 to 50mg/L, ±6% of reading
Accuracy (Temperature) ±0.3°C
Battery Life 2000 hr.
Battery Type C Alkaline
Certifications/Compliance CE, IP67
View More Specs
Includes:  Four C batteries, DO/temperature probe, cable; available with and without carrying case
Products
Catalog Number Mfr. No. Includes Length (English) Cable Length (Metric) Cable Price Quantity    

13-298-116

 
ysi™
YSI550A100
Meter, DO/temperature probe, 4 C Batteries, Cable 100 ft. Each for $1,848.08

13-298-117

 
ysi™
550A-100CC
Meter, DO/temperature probe, 4 C Batteries, Cable, Carrying Case 100 ft. Each for $2,009.55

13-298-118

 
ysi™
550A-12
Meter, DO/temperature probe, 4 C Batteries, Cable 12 ft. Each for $1,569.96

13-298-119

 
ysi™
550A-12CC
Meter, DO/temperature probe, 4 C Batteries, Cable, Carrying Case 12 ft. Each for $1,731.45

13-298-120

 
ysi™
YSI550A25
Meter, DO/temperature probe, 4 C Batteries, Cable 25 ft. Each for $1,650.70

13-298-121

 
ysi™
550A-25CC
Meter, DO/temperature probe, 4 C Batteries, Cable, Carrying Case 25 ft. Each for $1,812.19

13-298-122

 
ysi™
YSI550A50
Meter, DO/temperature probe, 4 C Batteries, Cable 50 ft. Each for $1,749.40

13-298-123

 
ysi™
YSI550A50CC
Meter, DO/temperature probe, 4 C Batteries, Cable, Carrying Case 50 ft. Each for $1,901.91
Description & Specifications

Specifications

Accuracy (DO) 0 to 20mg/L, ±0.3mg/L or 2% of reading, whichever is greater, 20 to 50mg/L, ±6% of reading
Accuracy (Temperature) ±0.3°C
Battery Life 2000 hr.
Battery Type C Alkaline
Certifications/Compliance CE, IP67
Dimensions (L x W) 9 x 4.75 in. (23 x 12cm)
IP Rating 67
Sensor Types Thermistor
For Use With (Application) DO, Temperature
Height (English) 2.5 in.
Length (English) 9 in.
Length (Metric) 23cm
Range (DO) 0 to 50mg/L
Resolution (DO) 0.01, 0.1mg/L
Resolution (Temperature) 0.1°C
Saturation Range 0 to 500% Air Saturation
Saturation Resolution 0.1% Air Saturation
Temperature (English) Range 23° to 113°F
Warranty 3 Years
Weight (English) 2 lb.
Weight (Metric) 0.91kg
Width (English) 4.75 in.
Width (Metric) 12cm

  • Accurate measurement of dissolved oxygen and temperature simultaneously
  • Waterproof, impact-resistant case
  • Innovative field-replaceable DO electrode with screw-on cap membranes
  • Quick sinking, weighted probe
  • Large easy-to-read backlit display
  • Features calibration in % and mg/L, altitude and temperature compensation, and a low battery indicator

Available with 12–, 25–, 50–, and 100 ft. cables. Replacement DO electrode sold separately. Dimensions: 9L × 4 3/4 × 2 1/2 in.H (23 × 12 × 6cm).

CE marked CE compliant

Meets IP67 requirements

Three-year warranty on instrument and one-year warranty on replaceable electrode