YSI™ Model 550A Dissolved Oxygen Meter

Rugged DO Meter designed for the field

Manufacturer: YSI™ 550A25

 View more versions of this product

Catalog No. 13-298-120

  Check Availability
Add to Cart


    Warranty 3 Years
    Sensor Types Thermistor
    Includes Meter, DO/temperature probe, 4 C Batteries, Cable
    Battery Life 2000 hr.
    IP Rating 67
    Weight (English) 2 lb.
    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
    Dimensions (L x W) 9 x 4.75 in. (23 x 12cm)
    For Use With (Application) DO, Temperature
    Length (English) 9 in.
    Length (English) Cable 25 ft.
    Length (Metric) 23cm
    Resolution (DO) 0.01, 0.1mg/L
    Saturation Range 0 to 500% Air Saturation
    Saturation Resolution 0.1% Air Saturation
    Temperature (English) Range 23° to 113°F
    Width (English) 4.75 in.
    Width (Metric) 12cm
    Resolution (Temperature) 0.1°C
    Accuracy (Temperature) ±0.3°C
    Battery Type C Alkaline
    Certifications/Compliance CE, IP67
    Height (English) 2.5 in.
    Range (DO) 0 to 50mg/L

  • Description & Specifications
  • Accessories

Related Products

Product Content Feedback

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit