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FREE SHIPPING FOR ALL PRODUCTS WITHIN THE CONTINENTAL UNITED STATES!
FREE SHIPPING FOR ALL PRODUCTS WITHIN THE CONTINENTAL UNITED STATES!

Introducing the Ohaus Starter DO Portable ST300D, 0.00 – 19.99 x 1%, the ultimate solution for precise and hassle-free dissolved oxygen (DO) measurement.


With its galvanic electrode technology, this portable meter eliminates the usual wait time associated with traditional DO meters, allowing you to get accurate results instantly.

Designed for simplicity and accuracy, the Ohaus Starter DO Portable ST300D offers an easy-to-use calibration process that ensures reliable measurements every time—the automatic temperature compensation feature guarantees accurate readings, even in varying environmental conditions. Whether you're in a laboratory or out in the field, this meter delivers fast and precise results that you can trust.

Convenience is essential with the Ohaus Starter DO Portable ST300D. Its 30-measurement library allows you to store data for future reference, making it easy to track changes over time. Need to access your last calibration data quickly? Just a single touch is all it takes to recall your previous calibration settings.

With a liquid crystal display (LCD) screen, the Ohaus Starter DO Portable ST300D provides clear and easy-to-read measurements. The rugged ABS housing ensures durability, while the included wrist strap adds an extra level of security during fieldwork.

Powered by four AAA batteries (included), this portable meter is ready to go whenever and wherever you need it. Perfect for a variety of applications, including environmental science, aquaculture, and wastewater treatment, the Ohaus Starter DO Portable ST300D is a versatile tool that meets all your dissolved oxygen measurement needs.

Choose the Ohaus Starter DO Portable ST300D for its accuracy, convenience, and reliability.

Trust in its advanced features and take control of your dissolved oxygen measurements with confidence.

5-year limited warranty

  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or sales@libertyscales.com for queries or concerns about shipping.