With easy 2 point manual calibration

The HM Digital TDS-3 is one of the most trusted handheld TDS meters on the market — combining a wide 0–9990 ppm range

This electrode will not work with other pH meters

Maintain peak accuracy in your TDS and conductivity measurements with Milwaukee M10080B — a certified

PSC-150: Extended Range EC/TDS Controller

Hanna HI1331B Refillable pH Electrode for Flasks - Small Bulb Glass Body BNC 00891144000175 With easy 2 point manualThe HI1331B is a glass body, refillable, single junction pH electrode with a BNC connector. This electrode has a single ceramic junction in the outer reference cell and the pH sensing portion is made with general purpose glass. This design consideration is ideal for pH measurements in flasks and smaller vessel applications. Small Bulb Tip Refillable Electrode Single Ceramic Junction Hanna Instruments offers a wide variety of pH electrodes that are