Original Xiaomi Mi TDS Water Purity Meter Tester – Chinese Version

Features:

Users will read the TDS water values on a LCD display located on the middle upper position of the pen

It comes with a detection sensor, which basically functions when a metal goes into contact with the water being tested

The reading will stabilize in about three seconds of testing the water with this gadget. It measures water quality on parts per million scale

TDS means total dissolved solids, the amount of mineral and water salts in water.

The water quality detection pen is used to detect how bad water is in regard to quality and in relation to expected standards

For instance, typical bottled water should be around 1ppm

The cap can be used to take water

Auto-off function: the meter shuts off automatically after 2 minutes of non-use to conserve batteries