In stock
SKU: 30468964
Regular price $419.38
Regular price -31% $610.00 Sale price $419.38
The Ohaus ST400-B STARTER 400 PH PORTABLE, the ultimate companion for accurate and convenient pH measurement in various applications.
Engineered by Ohaus, a trusted name in laboratory equipment, the ST400-B is designed to provide precise pH readings with ease and efficiency. Whether you're in the field or in the lab, this portable pH meter offers unparalleled versatility and reliability.


- Compact and lightweight, the ST400-B is easy to carry, allowing you to take pH measurements wherever you go. From field studies to on-site testing, its portability ensures flexibility without compromising accuracy.
- With user-friendly controls and a clear LCD display, navigating the ST400-B is simple and straightforward. Its intuitive interface ensures hassle-free operation, making it suitable for both seasoned professionals and beginners alike.
- Equipped with advanced pH measurement technology, the ST400-B delivers precise and reliable results. Whether testing water quality, conducting research, or performing routine analysis, you can trust its accuracy to meet your needs.
- From acidic to alkaline solutions, the ST400-B offers a broad pH range, allowing you to tackle various applications with confidence. Its versatility makes it an indispensable tool for a wide range of industries, including environmental science, agriculture, education, and more.
- Built to withstand demanding environments, the ST400-B features a rugged construction that ensures long-term durability and reliability. Whether subjected to rough handling or harsh conditions, it remains resilient, providing consistent performance day in and day out.
- The ST400-B simplifies the calibration process with easy-to-follow instructions, ensuring accurate measurements every time. With just a few simple steps, you can calibrate the meter to maintain peak performance and reliability.
- From water analysis to educational experiments, the ST400-B accommodates a wide range of applications. Whether testing soil pH in agriculture or monitoring pH levels in water treatment facilities, it's the ideal solution for various industries and disciplines.
battery-life 40 Hours with Rechargeable Battery
brand Ohaus
dimensions 1.57 in x 9.05 in x 3.94 in
display LCD Backlit Display
list-price 610.00
manufacturer-part-number 30468964
model 30468964
net-weight 0.8
temperature-sensor 30 KΩ NTC
working-environment 41°F – 104°F, 80%RH

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging.

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Free Ground shipping does not apply for demo/used/refurbished/clearance units and any order over 100 lbs of actual or dimensional weight (other exclusions also applies).