Designed to be versatile, durable, and affordably priced, the OHAUS ST20M multi-parameter pen meter is built to handle many of your water quality analysis needs, in one convenient, easy-to-operate package. With five measurement parameters, these pen meters put powerful performance in the palm of your hand for fast, accurate measurement- no matter where your work takes you. The brand-new OHAUS ST20M multi-parameter pen meter offers five measurement capabilities, including pH, Conductivity, TDS or Salinity, and Temperature, securely encased within an IP67-rated waterproof housing. Ideal for field applications, the ST20M features automatic temperature compensation and a convenient auto-shutoff feature designed to conserve battery life for extended use. A low battery indicator, included wrist strap, and 100-hour battery life ensure dependable, long-lasting operation, either in the lab or on the go.

Learn more about OHAUS Starter Series Pen Meters