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Introducing the Ohaus Starter pH Portable ST300-B, the ultimate tool for accurate and hassle-free pH measurement.

With its auto buffer recognition feature and easy calibration process, this portable pH meter ensures precise readings without any room for errors.

Equipped with four different buffer groups, the ST300-B makes calibrating a breeze. Gone are the days of guesswork and inconsistency. Whether you're in the lab or out in the field, this pH meter guarantees reliable results every time.

Designed for convenience and durability, the ST300-B is your go-to companion for secure field use. Its meter stand keeps it steady while you work, and the included wrist strap ensures that it never leaves your side. Plus, its robust IP54 housing protects it from dust and splashes, giving you peace of mind wherever your experiments take you.

But that's not all - this portable pH meter is packed with features that make your life easier. The 30-measurement library lets you store data for future reference, while the quick recall function allows you to access your last calibration data with just one touch. No more wasting time searching through notes or recalibrating from scratch.

The Ohaus Starter pH Portable ST300-B isn't just limited to pH measurements; it can also handle oxidation-reduction potential (ORP) measurements. Its liquid crystal display (LCD) provides clear and easy-to-read results, ensuring that you never miss a beat in your experiments.

With its automatic and manual temperature compensation and calibration icon, this pH meter delivers accurate readings even in varying conditions. And thanks to its durable ABS housing and included wrist strap, it's built to withstand the rigors of laboratory life.

Don't compromise on accuracy or convenience. Choose the Ohaus Starter pH Portable ST300-B for all your pH measurement needs.

Trust in its reliability and precision to take your experiments to new heights.

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 for queries or concerns about shipping.