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Introducing the Ohaus Starter pH Portable ST300, the perfect companion for accurate and hassle-free pH measurements.

With its advanced features and user-friendly design, this portable pH meter is a must-have for laboratory professionals and field researchers alike.

Equipped with auto buffer recognition, the ST300 ensures error-free calibration every time. The four different buffer groups make it incredibly easy to calibrate the meter to the desired pH range, saving you time and effort. Say goodbye to guesswork and hello to precise measurements.

Designed for convenience and accuracy, the ST300 features automatic temperature compensation, allowing you to obtain accurate pH readings even in fluctuating temperatures. No need to worry about manual adjustments – the meter does it all for you. Plus, with its fast response time, you'll get results in a flash.

Built with durability in mind, the ST300 comes with sturdy IP54 housing that can withstand tough field conditions. Whether you're working in a humid environment or dealing with occasional splashes, this pH meter will consistently deliver reliable performance. The included meter stand and wrist strap ensure secure handling during measurements, giving you peace of mind.

Keeping track of your measurements is effortless with the 30-measurement library of the ST300. Store your data for future reference and easily recall the last calibration data with just one touch. Stay organized and efficient in your work without any hassle.

The liquid crystal display (LCD) provides clear visibility of your pH readings, ensuring straightforward interpretation even in low-light conditions. With its intuitive interface and responsive buttons, operating the ST300 is a breeze.

Powered by four AAA batteries (included), this portable pH meter is ready to go whenever you are. No need to worry about finding an electrical outlet or carrying around bulky power cords. Take it with you wherever your research takes you.

Incorporating cutting-edge technology and robust construction, the Ohaus Starter pH Portable ST300 sets a new standard in pH measurement. Whether you're conducting experiments in the lab or exploring the field, this pH meter guarantees accurate and reliable results every time.

Trust in the ST300 to elevate your research 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.