YSI™ Model 550A Dissolved Oxygen Meter

Rugged DO Meter designed for the field

Brand: YSI™

Manufacturer Part Number: 550A25CC

UNSPSC: 41115611

Code: 04

Additional Details:
Additional Details: Weight: 0.80000kg

Product Code. 11974366


This item has been discontinued and is no longer available. View the product for possible alternatives or contact our Product Support team on 01509 555888 for assistance

  • Description and Specification
  • Accessories and Spare Parts
Description and Specification


Resolution (Temperature) 0.1°C
IP Rating 67
For Use With (Application) DO, Temperature
Length (Metric) 23cm
Weight (Metric) 0.91kg
Accuracy (DO) 0 to 20mg/L, ±0.3mg/L or 2% of reading, whichever is greater, 20 to 50mg/L, ±6% of reading
Warranty 3 Years
Includes Meter, DO/temperature probe, 4 C Batteries, Cable, Carrying Case
Saturation Range 0 to 500% Air Saturation
Battery Life 2000 hr.
Width (Metric) 12cm
Certifications/Compliance CE, IP67
Battery Type C Alkaline
Accuracy (Temperature) ±0.3°C
Saturation Resolution 0.1% Air Saturation
Range (DO) 0 to 50mg/L
Dimensions (L x W) 9 x 4.75 in. (23 x 12cm)
Sensor Types Thermistor
Resolution (DO) 0.01, 0.1mg/L
Accessories and Spare Parts