How to Use the TDS Meter?

How to Use the TDS Meter
Using TDS Tester to Measure Dissolved Solids in Water
Operation:

Remove the protective cap

Turn TDS meter on, press ON button

Immerse into water sample up to the immersion level (about 1 ½ “ from tip) without touching the bottom of the water sample container.

Stir gently and wait until the display stabilizes

TDS meter compensates for the temperature variance automatically.

To hold the reading, press HOLD

Turn off meter, press OFF button

Battery Replacement

When the TDS mater cannot be switched on or the display fades, pull out the battery compartment and replace two 1.5V batteries, paying attention to their polarity.