Not correct reading ,same water differenc reading every time. Every test there is 50-70 ppm differences in same water.😬

A TDS (Total Dissolved Solids) meter is used to measure the concentration of dissolved solids, like minerals and salts, in a liquid, typically water, and provides an indication of water quality and purity.
Here's a more detailed explanation:
What it measures:
TDS meters measure the total amount of dissolved substances in a liquid, including minerals, salts, metals, and other organic and inorganic compounds.
How it works:
TDS meters measure the electrical conductivity of the water, which is ...

Nice product

Good working.

Compact, light-weight, accurate reading, Nice

Good

Ok

Good

Good

Good