Portable Digital LCD 3 in 1 TDS Pen Type Meter TDS Conductivity Temp Water Quality Purity Tester with Backlight Display
TDS water quality test pen is used to test the TDS value of water, the conductivity of water, in order to determine who's purity. At the same time, it has the function of testing water temperature and environment temperature, and it can be widely used in water treatment industry, drinking water industry, family, personal home travel, field operation and so on.
1. Digitaldisplay: accurate to 4 digits. Temperature compensation accurate to 0.1
2. Backlight function: green backlight while TDS value ≤40,red backlight while TDS value>40.