Ohaus ST20R Starter Series Water ORP Analysis Pen Meter

Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again. With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments.

Equipped with a wrist strap that prevents unintentional dropping, Starter pen meters are feature an IP67 waterproof design that can prevent water damage when dropped in to liquid. After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.

ST20R can bring measurement of ORP virtually anywhere the need for measurement of the availability of electrons in a liquid exist. The ST20R provides almost instantaneous results and offers the ability to hold the reading right on the display to provide additional time for data logging.