BECUTE TDS EC Temperature Test Meter Water Tester 3 in 1

Description

How to use it: 1. Please unplug the electrode protective sleeve before use. 2. Press the switch place the electrode into the test solution. 3. After the numerically stable, press the HOLD button and take it out of the solution to read. 4. After reading turn off the meter wipe clean the electrode before sleeving it.