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.
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.