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Introducing the Ohaus Starter PH Portable ST400-B - the ultimate companion for accurate and reliable pH and oxidation-reduction potential (ORP) measurements.

With its robust construction and user-friendly features, this portable device is designed to excel in any field environment.

Built with an IP67 waterproof housing, accompanied by a rubber cover and IP67 probes, the ST400 ensures unrivaled durability and longevity, making it perfect for prolonged use in demanding conditions. There is no need to worry about accidental splashes or submerging it in water - this device can handle it all.

Say goodbye to the hassle of constantly changing batteries. The ST400 comes equipped with a rechargeable lithium battery that provides an impressive 40 hours of uninterrupted usage. Plus, with over 300 charge cycles, you can rely on this device for the long haul.

The ST400 boasts intuitive software that effortlessly guides users through each operation. With a large LCD, all the necessary information for successful test runs, including electrode conditions, is presented clearly and concisely. No more guessing or struggling to interpret data - this device simplifies the process for you.

Thanks to its built-in micro-USB port, communication and data transfer have always been challenging. Whether you're connecting to a computer or other compatible devices, this feature ensures seamless connectivity for your convenience.

Not only does the ST400 deliver exceptional performance, but it also offers practicality with its data storage capability. You can store up to 1000 items, ensuring your valuable data is always at your fingertips when you need it most.

Choose the Ohaus Starter PH Portable ST400-B for its reliability, accuracy, and user-friendly design. Whether you're a scientist in a laboratory or conducting field research, this portable scale from Liberty Scales will exceed your expectations.

Experience the difference today and elevate your pH measurement game 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.