This is an ST series pen type conductivity/TDS/salinity meter product manual.
This document serves as the instruction manual for the OHAUS ST Series of waterproof pen-type electrochemistry products. The ST series includes models for Conductivity (ST20C), Total Dissolved Solids or TDS (ST20T), and Salinity (ST20S). These meters are designed to be economical, easy to use, and provide accurate measurements for various applications.
| Battery Type | 4 x 1.5V AA |
|---|
ST20C/ST20T/ST20S pen meters are factory calibrated and do not need calibration in a few months.
The electrodes should be rinsed and immersed in pure water for 0.5 hour before use.