Economical TDS Pen,Total Dissolved Solid Meter,ATC,TDS-1393C

Feature:

It is a budget priced pocket size total dissolved solids (TDS), tester . 
Automatic temperature compensation ensures correct readings. 
Calibration is very simple to perform: immerse the tester in the calibration solution and adjust the trimmer on the rear of the meter until the correct value is displayed. 
For a number of applications, it is crucial to determine the quantity of dissolved salts in a body of water.

High concentrations can cause corrosion and deposits in heating systems and can be detrimental to aquatic plants and animals.

Specifications: